CN114221060A - Soft packet of liquid cooling module - Google Patents
Soft packet of liquid cooling module Download PDFInfo
- Publication number
- CN114221060A CN114221060A CN202111371689.5A CN202111371689A CN114221060A CN 114221060 A CN114221060 A CN 114221060A CN 202111371689 A CN202111371689 A CN 202111371689A CN 114221060 A CN114221060 A CN 114221060A
- Authority
- CN
- China
- Prior art keywords
- liquid cooling
- module
- fixed
- support
- cooling plate
- 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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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- H01M10/6555—Rods or plates arranged between the cells
-
- 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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
-
- 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
- H01M10/6567—Liquids
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
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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
Landscapes
- 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 soft package liquid cooling module, wherein a plurality of inner module frames are fixed in outer module frames in parallel, two electric cores are arranged in each inner module frame, first heat conducting pads are arranged between the adjacent inner module frames and between the inner module frames and the electric cores, buffering pads are arranged between the adjacent electric cores, a liquid cooling plate is fixed on the outer wall of the outer module frame, a second heat conducting pad is fixed on the inner side of the liquid cooling plate, the positive electrode and the negative electrode of each electric core are respectively connected with a first bus bar, and the positive electrodes and the negative electrodes of the two adjacent electric cores are correspondingly connected with a third bus bar through the second bus bar. According to the invention, the soft package battery cell is adopted at the module end, the liquid cooling of PACK level is cancelled, the liquid cooling plate has a heat dissipation function, and meanwhile, the liquid cooling plate has the function of enhancing the module strength and the heating function, the liquid cooling ensures that the service temperature of the battery cell is always kept at normal temperature, and the cycle life of the system is prolonged. The whole scheme has high strength, low cost and long service life.
Description
The technical field is as follows:
the invention relates to a soft package liquid cooling module.
Background art:
the new energy development has already stepped through a high-speed development stage and gradually enters a stable development stage, particularly the situation of three-legged tripod of cylindrical, square and soft battery cells in the field of initial new energy PACk is changed, and the market development begins to eliminate technologies unsuitable for the field of PACK.
The invention uses the soft package battery core, adopts liquid cooling at the module end, cancels PACK-level liquid cooling, and has high strength of the whole scheme, low cost and long service life.
The invention content is as follows:
the invention provides a soft package liquid cooling module to solve the problems in the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides a soft-packaged liquid cooling module, includes centre form stack, first busbar, electric core, first heat conduction pad, blotter, liquid cooling board, second busbar, third busbar, second heat conduction pad and external mold stack, a plurality of centre form stack is fixed in the external mold stack side by side, sets up two electric cores in every centre form stack, all is equipped with first heat conduction pad between adjacent centre form stack and between centre form stack and electric core, is equipped with the blotter between adjacent electric core, and the liquid cooling board is fixed on the outer wall of external mold stack, fixes the second heat conduction pad in the inboard of liquid cooling board, and a first busbar is all connected to the positive negative pole of every electric core, and the positive pole and the negative pole correspondence of two adjacent electric cores link to each other through second busbar and third busbar.
Further, the inner module frame comprises a first support, a second support, a third support and a heat dissipation aluminum sheet, the heat dissipation aluminum sheet is a U-shaped sheet structure with a middle edge and two side edges, first heat conduction pads are arranged on the inner wall and the outer wall of the middle edge, the third support is fixed at the bottom end of the heat dissipation aluminum sheet, the first support and the second support are mutually fastened and then fixed at the top end of the heat dissipation aluminum sheet, and a first busbar on the battery core is fixed between the first support and the second support.
Furthermore, the outer mold assembly comprises side plates and end plates, wherein the two side plates and the two end plates are fixed through bolts and form a rectangular outer mold assembly.
The invention has the following beneficial effects:
according to the invention, the soft package battery cell is adopted at the module end, the liquid cooling of PACK level is cancelled, the liquid cooling plate has a heat dissipation function, and meanwhile, the liquid cooling plate has the function of enhancing the module strength and the heating function, the liquid cooling ensures that the service temperature of the battery cell is always kept at normal temperature, and the cycle life of the system is prolonged. The whole scheme has high strength, low cost and long service life.
Description of the drawings:
fig. 1 is a structural view of an inner mold assembly of the present invention.
Fig. 2 is an exploded view of the inner mold assembly of the present invention.
Fig. 3 is an overall structural view of the present invention.
Fig. 4 is an overall exploded view of the present invention.
In the figure:
1. first busbar, 2, first support, 3, second support, 4, electric core, 5, third support, 6, heat dissipation aluminum sheet, 7, first heat conduction pad, 8, blotter, 9, liquid cooling plate, 10, second busbar, 11, third busbar, 12, curb plate, 13, end plate, 14, bolt, 15, second heat conduction pad, 16, insulating seat.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the soft package liquid cooling module of the present invention includes an inner module frame, a first bus bar 1, a battery cell 4, a first heat conducting pad 7, a buffer pad 8, a liquid cooling plate 9, a second bus bar 10, a third bus bar 11, a second heat conducting pad 15, and an outer module frame, wherein a plurality of inner module frames are fixed in the outer module frame in parallel, two battery cells 4 are disposed in each inner module frame, the first heat conducting pads 7 are disposed between adjacent inner module frames and between the inner module frames and the battery cells 4, the buffer pad 8 is disposed between adjacent battery cells 4, and the buffer pad 8 can effectively ensure the expansion problem of the battery cells 4 in the using process.
The liquid cooling plate 9 is fixed on the outer wall of the outer die assembly frame, the second heat conducting pad 15 is fixed on the inner side of the liquid cooling plate 9, the positive electrode and the negative electrode of each battery cell 4 are respectively connected with one first busbar 1, the positive electrodes and the negative electrodes of two adjacent battery cells 4 are correspondingly connected with each other through a second busbar 10 and a third busbar 11, all the battery cells 4 are connected in series through the second busbar 10 and the third busbar 11 to form a battery pack, positive and negative terminals are arranged on the battery pack, and an insulating base 16 is arranged on each terminal.
The inner mold assembly frame comprises a first support 2, a second support 3, a third support 5 and a heat dissipation aluminum sheet 6, wherein the heat dissipation aluminum sheet 6 is of a U-shaped sheet structure with a middle edge and two side edges, first heat conduction pads 7 are arranged on the inner wall and the outer wall of the middle edge, the third support 5 is fixed at the bottom end of the heat dissipation aluminum sheet 6, the first support 2 and the second support 3 are fastened with each other and then fixed at the top end of the heat dissipation aluminum sheet 6, and a first busbar 1 on a battery cell 4 is fixed between the first support 2 and the second support 3. The first bus bar 1 is tightly clamped by the first support 2 and the second support 3, so that the first bus bar 1 is ensured to be fixed firmly, the heat dissipation path is the transmission path consisting of the battery cell 4 → the first heat conduction pad 7 → the heat dissipation aluminum sheet 6 → the second heat conduction pad 15 → the liquid cooling plate 9, and the heating path is opposite to the heat dissipation.
The outer mold frame of the present invention includes side plates 12 and end plates 13, and the two side plates 12 and the two end plates 13 are fixed by bolts 14 to form a rectangular outer mold frame. The liquid cooling plates 9 on the two sides of the module are integrally connected with the side plates 12 through bolts 14, so that the strength of the whole module is ensured. The outer wall surface of the liquid cooling plate 9 is provided with a reinforcing round convex rib to ensure the strength.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (4)
1. The utility model provides a soft packet of liquid cooling module which characterized in that: comprises an inner module frame, a first bus bar (1), a battery cell (4), a first heat conducting pad (7), a buffer pad (8), a liquid cooling plate (9), a second bus bar (10), a third bus bar (11), a second heat conducting pad (15) and an outer module frame, wherein a plurality of inner module frames are fixed in the outer module frame in parallel, two battery cores (4) are arranged in each inner mold assembly frame, first heat conducting pads (7) are arranged between the adjacent inner mold assembly frames and between the inner mold assembly frame and the battery cores (4), a buffer pad (8) is arranged between the adjacent electric cores (4), a liquid cooling plate (9) is fixed on the outer wall of the outer mold assembly frame, and a second heat conducting pad (15) is fixed on the inner side of the liquid cooling plate (9), the positive electrode and the negative electrode of each electric core (4) are connected with a first busbar (1), and the positive electrodes and the negative electrodes of two adjacent electric cores (4) are correspondingly connected with each other through a second busbar (10) and a third busbar (11).
2. The soft package liquid cooling module of claim 1, wherein: the inner die assembly frame comprises a first support (2), a second support (3), a third support (5) and a heat dissipation aluminum sheet (6), the heat dissipation aluminum sheet (6) is a U-shaped sheet structure with a middle edge and two side edges, a first heat conduction pad (7) is arranged on the inner wall and the outer wall of the middle edge, the third support (5) is fixed at the bottom end of the heat dissipation aluminum sheet (6), the first support (2) and the second support (3) are mutually fastened and then fixed at the top end of the heat dissipation aluminum sheet (6), and a first busbar (1) on an electric core (4) is fixed between the first support (2) and the second support (3).
3. The soft package liquid cooling module of claim 1, wherein: the outer die assembly frame comprises side plates (12) and end plates (13), wherein the two side plates (12) and the two end plates (13) are fixed through bolts (14) to form a rectangular outer die assembly frame.
4. The soft package liquid cooling module of claim 1, wherein: the outer wall surface of the liquid cooling plate (9) is provided with a reinforcing round convex rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111371689.5A CN114221060A (en) | 2021-11-18 | 2021-11-18 | Soft packet of liquid cooling module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111371689.5A CN114221060A (en) | 2021-11-18 | 2021-11-18 | Soft packet of liquid cooling module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114221060A true CN114221060A (en) | 2022-03-22 |
Family
ID=80697565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111371689.5A Withdrawn CN114221060A (en) | 2021-11-18 | 2021-11-18 | Soft packet of liquid cooling module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221060A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115764069A (en) * | 2022-11-30 | 2023-03-07 | 湖北亿纬动力有限公司 | Battery module and battery pack |
| CN119181895A (en) * | 2024-11-22 | 2024-12-24 | 南京创源动力科技有限公司 | Liquid-cooled energy storage device and temperature control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328853A (en) * | 2016-11-22 | 2017-01-11 | 江苏金坛绿能新能源科技有限公司 | Power battery assembly with cylindrical battery cell |
| CN106384856A (en) * | 2016-11-16 | 2017-02-08 | 东莞市文轩五金制品有限公司 | A circulating channel liquid cold plate for power battery and its processing method |
| CN108987851A (en) * | 2018-08-22 | 2018-12-11 | 广州小鹏汽车科技有限公司 | A kind of water-cooled plate and water-cooled battery |
| CN109688770A (en) * | 2019-01-01 | 2019-04-26 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of explosion-proof water-cooled plate |
| CN210984895U (en) * | 2019-12-17 | 2020-07-10 | 上海动力储能电池系统工程技术有限公司 | Soft package module of on-vehicle lithium ion battery |
-
2021
- 2021-11-18 CN CN202111371689.5A patent/CN114221060A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384856A (en) * | 2016-11-16 | 2017-02-08 | 东莞市文轩五金制品有限公司 | A circulating channel liquid cold plate for power battery and its processing method |
| CN106328853A (en) * | 2016-11-22 | 2017-01-11 | 江苏金坛绿能新能源科技有限公司 | Power battery assembly with cylindrical battery cell |
| CN108987851A (en) * | 2018-08-22 | 2018-12-11 | 广州小鹏汽车科技有限公司 | A kind of water-cooled plate and water-cooled battery |
| CN109688770A (en) * | 2019-01-01 | 2019-04-26 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | A kind of explosion-proof water-cooled plate |
| CN210984895U (en) * | 2019-12-17 | 2020-07-10 | 上海动力储能电池系统工程技术有限公司 | Soft package module of on-vehicle lithium ion battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115764069A (en) * | 2022-11-30 | 2023-03-07 | 湖北亿纬动力有限公司 | Battery module and battery pack |
| CN119181895A (en) * | 2024-11-22 | 2024-12-24 | 南京创源动力科技有限公司 | Liquid-cooled energy storage device and temperature control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220322 |