CN106887538B - Oil-cooled battery pack - Google Patents
Oil-cooled battery pack Download PDFInfo
- Publication number
- CN106887538B CN106887538B CN201710166485.5A CN201710166485A CN106887538B CN 106887538 B CN106887538 B CN 106887538B CN 201710166485 A CN201710166485 A CN 201710166485A CN 106887538 B CN106887538 B CN 106887538B
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- Prior art keywords
- battery pack
- box body
- oil
- upper cover
- cooled
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- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000005070 sampling Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
- H01M10/656—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
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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 provides an oil-cooled battery pack which comprises an upper cover, a box body and a battery pack module, wherein the upper end part of one end face of the box body is provided with a function connecting cavity protruding outwards, the bottom of the function connecting cavity is upwards inclined by a certain angle in a mode that the outer end faces upwards, the bottom of the function connecting cavity is provided with a positive output terminal, a negative output terminal and at least one communication connecting terminal, the two side faces of the box body are provided with radiating fins, and the position, close to the bottom, of the end face of the box body is provided with at least one oil outlet; the inner side of the upper cover is provided with a heat conducting fin, the outer side of the upper cover is provided with a heat radiating rib, and the upper cover is provided with at least one water-blocking exhaust valve and at least one oil filling port; the battery pack module is arranged in the box body, oily liquid is filled in the box body, the oily liquid completely immerses the battery pack module and contacts with the heat conducting fins on the inner side of the upper cover, and the upper cover and the box body are matched and sealed together. The oil-cooled battery pack disclosed by the invention is simple in structure, novel in arrangement, convenient to install and good in heat dissipation effect.
Description
Technical Field
The invention relates to a battery pack, in particular to an oil-cooled battery pack.
Background
Along with the use of battery packs is more and more extensive, the air-cooled flow channel of the existing air-cooled battery pack is long, the internal flow field is difficult to balance, the difference of cooling effects in different areas is caused, and the problems of large battery temperature difference, incapability of preventing water and dust, large volume (as long as a fan and an air channel occupy the volume), high cost and the like exist, so that the market requirements can not be completely met. For some airtight conditions, such as yachts, yachts and automobiles, the temperature of the battery pack is difficult to drop due to poor ventilation, such as heat dissipation by adopting an air cooling mode, so that the service life of the battery pack is influenced, and the use cost is high. In view of the above-mentioned shortcomings of air-cooled battery packs, battery packs with water-cooled or oil-cooled heat dissipation methods have come into use, but the structure is different, and the heat dissipation effect is also different, so how to design the structure of the battery pack to make the heat dissipation effect better is a technical subject at present.
Disclosure of Invention
The invention aims to provide an oil-cooled battery pack which is simple in structure, convenient to install and good in heat dissipation effect.
The invention is realized by the following scheme:
an oil-cooled battery pack comprises an upper cover, a box body and a battery pack module, wherein the upper end part of one end face of the box body is provided with a function connecting cavity protruding outwards, the bottom of the function connecting cavity is upwards inclined by a certain angle in a mode that the outer end faces upwards, the bottom of the function connecting cavity is provided with a positive output terminal, a negative output terminal and at least one communication connecting terminal, two side faces of the box body are provided with radiating fins, and the position, close to the bottom, of the end face of the box body is provided with at least one oil outlet; the inner side of the upper cover is provided with a heat conducting fin, the outer side of the upper cover is provided with a heat radiating rib, and the upper cover is provided with at least one water blocking exhaust valve and at least one oil filling port; the battery pack module is arranged in the box body, the positive end of the battery pack module is connected with the positive output terminal on the box body, the negative end of the battery pack module is connected with the negative output terminal on the box body, a temperature sampling line and a voltage sampling line in the battery pack module are connected onto the communication connecting terminal, oily liquid is filled in the box body, the oily liquid completely immerses the battery pack module, the oily liquid is in contact with the heat conducting sheet on the inner side of the upper cover, and the upper cover and the box body are mutually matched and sealed together.
In actual manufacturing, in order to insulate each terminal and the functional interface cavity, an insulating sleeve is generally sleeved between the positive output terminal, the negative output terminal and at least one communication connection terminal and the functional interface cavity on the box body, and the terminals, the insulating sleeve, and the functional interface cavity are bonded together by using a sealant. The sealant is generally a high strength structural adhesive such as an epoxy adhesive. During actual manufacturing, the battery module and the box body are generally fixed, and can be fixed by screws or other modes and can be selected according to conditions.
In order to avoid short circuit between the battery pack module and the box body, insulating plates are arranged between the two ends of the battery pack module and the box body.
In order to reduce the influence of vibration on the service performance of the battery pack module, a rubber shock pad is arranged at the bottom of the battery pack module.
In order to ensure the sealing performance between the box body and the upper cover, a sealing ring is arranged between the box body and the upper cover, and under the general condition, a groove is arranged on the periphery of the top end of the box body, and the sealing ring is arranged in the groove.
For the whole weight of box in reducing the battery package, do not influence the steadiness of battery package simultaneously, increase the bulk strength of box, all set up the strengthening rib inside and outside the bottom half, up inside concave yield is followed down in box four corners, adopts indent structural design.
For better fixed battery group module in the box, the bottom is provided with a plurality of reference column in the box.
In order to facilitate the stacking of the battery packs, a plurality of protruding parts are arranged on the periphery of the top end of the box body.
Furthermore, the included angle that forms between the bottom in function interface chamber and the horizontal plane is 20 ~ 40 degrees, and such design can reduce the whole volume of battery package, also is convenient for install simultaneously.
For better heat dissipation, the box body, the upper cover, the fixing support for the battery pack module and the like can be made of materials with good heat dissipation effect, such as iron, aluminum alloy and the like.
The liquid-cooled battery pack has the advantages of simple structure, novel arrangement, convenience in installation, low cost, small size, high heat transfer efficiency and small battery temperature difference, can prevent water and dust, and can meet the use requirements in severe environments. The water-blocking exhaust valve is designed on the upper cover, so that the water-blocking exhaust valve can be waterproof, the same internal and external pressure of the box body can be kept, and the heat dissipation effect is ensured. The battery pack module is completely immersed in the oily liquid, the radiating fins are arranged on two sides of the box body, the radiating ribs are arranged on the outer side of the upper cover, and the heat conducting fins are arranged on the inner side of the upper cover. The bottom in function interface chamber upwards inclines certain angle, guarantees to set up the positive output terminal, negative pole output terminal and the certain angle of at least one communication connection terminal downward sloping in the bottom in function interface chamber, can reduce the whole volume of battery package like this, also is convenient for install simultaneously.
Drawings
Fig. 1 is a schematic view (one) of the overall structure of an oil-cooled battery pack in embodiment 1;
fig. 2 is a schematic view (ii) of the overall structure of the oil-cooled battery pack according to embodiment 1;
fig. 3 is a schematic view of the overall structure of an oil-cooled battery pack (without an upper cover) in example 1;
fig. 4 is an exploded view of the oil-cooled battery pack (without the upper cover) of example 1;
FIG. 5 is a schematic structural view of a case in embodiment 1;
FIG. 6(a) is a schematic front view of the upper lid in example 1;
fig. 6(b) is a schematic reverse view of the upper cover in example 1.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to the description of the examples.
Example 1
An oil-cooled battery pack, as shown in figures 1 and 2, comprises an upper cover 1, a box body 2 and a battery pack module 3, as shown in figure 5, the upper end part of one end face of the box body 2 is provided with a function connecting cavity 4 protruding outwards, the bottom of the function connecting cavity 4 inclines upwards in a mode that the outer end faces upwards, the included angle formed between the bottom of the function connecting cavity and the horizontal plane is 30 degrees, the bottom of the function connecting cavity 4 is provided with a positive output terminal 5, a negative output terminal 6 and a communication connecting terminal 7, insulating sleeves (not shown in the figure) are sleeved between the positive output terminal 5, the negative output terminal 6 and the communication connecting terminal 7 and the function connecting cavity 4 on the box body 2, the terminals and the insulating sleeves, the insulating sleeves and the function connecting cavity are bonded together by epoxy resin glue, radiating fins 18 are arranged on two side faces of the box body 2, an oil outlet 8 is arranged on the position, close to the bottom, of the, reinforcing ribs 17 are arranged inside and outside the bottom of the box body 2, the reinforcing ribs 17 are of a grid structure, four corners of the box body 2 are recessed inwards from bottom to top, a positioning column 9 is arranged at the bottom in the box body 2, four convex parts 19 are arranged on the periphery of the top end of the box body 2, and a groove 20 is formed in the periphery of the top end of the box body 2; as shown in fig. 6(a) and 6(b), the inner side of the upper cover 1 is provided with a heat conducting fin 10, the outer side of the upper cover 1 is provided with a heat dissipating rib 11, and the upper cover 1 is provided with a water blocking exhaust valve 12 and an oil filling port 13; as shown in fig. 3 and 4, a rubber cushion 14 is disposed at the bottom of the battery module 3, the battery module 3 is fixed in the case 2 by screws, an insulating plate 15 is disposed between two ends of the battery module 3 and the case 2, the positive terminal of the battery module 3 is connected to the positive output terminal 4 on the case 2, the negative terminal of the battery module 3 is connected to the negative output terminal 5 on the case 2, a temperature sampling line and a voltage sampling line in the battery module are connected to a communication connection terminal (the temperature sampling line and the voltage sampling line and their connection with the communication connection terminal are not shown in the figure), an oily liquid (the oily liquid is not shown in the figure) is filled in the case 2, the oily liquid completely immerses the battery module 3 and contacts with the heat conducting sheet 10 inside the upper cover 1, the upper cover 1 and the case 2 are mutually matched and sealed together, a sealing ring 16 is disposed between the case 2 and the upper cover 1, the sealing ring 16 is arranged in a groove 20 of the tank 2. The fixing supports of the box body 2, the upper cover 1 and the battery pack module 3 in the embodiment are all made of iron materials.
Example 2
An oil-cooled battery pack, which is similar in structure to the oil-cooled battery pack of embodiment 1, except that: the bottom in function interface chamber and the contained angle that forms between the horizontal plane are 20 degrees, and the communication connecting terminal quantity that sets up on the box is two.
Example 3
An oil-cooled battery pack, which is similar in structure to the oil-cooled battery pack of embodiment 1, except that: the included angle formed between the bottom of the functional joint cavity and the horizontal plane is 40 degrees.
Claims (9)
1. The utility model provides an oil-cooling battery package, includes upper cover, box and group battery module, its characterized in that: the upper end part of one end face of the box body is provided with a function connecting cavity protruding outwards, the bottom of the function connecting cavity is inclined upwards by a certain angle in a mode that the outer end faces upwards, the bottom of the function connecting cavity is provided with a positive output terminal, a negative output terminal and at least one communication connecting terminal, two side faces of the box body are provided with radiating fins, and the position, close to the bottom, of the end face of the box body is provided with at least one oil outlet; the inner side of the upper cover is provided with a heat conducting fin, the outer side of the upper cover is provided with a heat radiating rib, and the upper cover is provided with at least one water blocking exhaust valve and at least one oil filling port; the battery pack module is arranged in the box body, the positive end of the battery pack module is connected with the positive output terminal on the box body, the negative end of the battery pack module is connected with the negative output terminal on the box body, a temperature sampling line and a voltage sampling line in the battery pack module are connected onto the communication connecting terminal, oily liquid is filled in the box body, the oily liquid completely immerses the battery pack module, the oily liquid is in contact with the heat conducting sheet on the inner side of the upper cover, and the upper cover and the box body are mutually matched and sealed together.
2. The oil-cooled battery pack of claim 1, wherein: and insulation plates are arranged between the two ends of the battery pack module and the box body.
3. The oil-cooled battery pack of claim 2, wherein: and a rubber shock pad is arranged at the bottom of the battery pack module.
4. The oil-cooled battery pack of claim 1, wherein: and a sealing ring is arranged between the box body and the upper cover.
5. The oil-cooled battery pack of claim 1, wherein: all set up the strengthening rib inside and outside the bottom half, up inside concave yield is followed down in box four corners.
6. The oil-cooled battery pack of claim 5, wherein: the bottom in the box is provided with a plurality of positioning columns.
7. The oil-cooled battery pack according to any one of claims 1 to 6, wherein: the periphery of the top end of the box body is provided with a plurality of protruding parts.
8. The oil-cooled battery pack according to any one of claims 1 to 6, wherein: the included angle formed between the bottom of the functional joint cavity and the horizontal plane is 20-40 degrees.
9. The oil-cooled battery pack according to any one of claim 7, wherein: the included angle formed between the bottom of the functional joint cavity and the horizontal plane is 20-40 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166485.5A CN106887538B (en) | 2017-03-20 | 2017-03-20 | Oil-cooled battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166485.5A CN106887538B (en) | 2017-03-20 | 2017-03-20 | Oil-cooled battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106887538A CN106887538A (en) | 2017-06-23 |
| CN106887538B true CN106887538B (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710166485.5A Active CN106887538B (en) | 2017-03-20 | 2017-03-20 | Oil-cooled battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN106887538B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022107765A1 (en) | 2022-04-01 | 2023-10-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for providing a sealed electrical connection area and assembly method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001060466A (en) * | 1999-08-23 | 2001-03-06 | Japan Storage Battery Co Ltd | Set battery |
| CN102751545A (en) * | 2011-04-20 | 2012-10-24 | 三菱自动车工业株式会社 | Battery unit |
| JP2014060088A (en) * | 2012-09-19 | 2014-04-03 | Toshiba Corp | Secondary battery device and secondary battery system |
| CN106450085A (en) * | 2016-10-10 | 2017-02-22 | 苏州协鑫集成储能科技有限公司 | Battery module and preparation method therefor, and battery assembly |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4640348B2 (en) * | 2007-02-01 | 2011-03-02 | トヨタ自動車株式会社 | Power supply |
| WO2010056750A2 (en) * | 2008-11-12 | 2010-05-20 | Johnson Controls - Saft Advanced Power Solutions Llc | Battery system with heat exchanger |
| CN201804919U (en) * | 2010-08-03 | 2011-04-20 | 唐菊香 | Closed power battery pack module |
| CN104795606B (en) * | 2014-01-21 | 2017-04-26 | 微宏动力系统（湖州）有限公司 | liquid-cooled battery pack system |
-
2017
- 2017-03-20 CN CN201710166485.5A patent/CN106887538B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001060466A (en) * | 1999-08-23 | 2001-03-06 | Japan Storage Battery Co Ltd | Set battery |
| CN102751545A (en) * | 2011-04-20 | 2012-10-24 | 三菱自动车工业株式会社 | Battery unit |
| JP2014060088A (en) * | 2012-09-19 | 2014-04-03 | Toshiba Corp | Secondary battery device and secondary battery system |
| CN106450085A (en) * | 2016-10-10 | 2017-02-22 | 苏州协鑫集成储能科技有限公司 | Battery module and preparation method therefor, and battery assembly |
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| CN106887538A (en) | 2017-06-23 |
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Effective date of registration: 20210721 Address after: 410100 first floor, building 10, advanced energy storage and energy conservation demonstration Industrial Park, No. 169, Section 2, Renmin East Road, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: NATIONAL ENGINEERING RESEARCH OF ADVANCED ENERGY STORAGE MATERIALS Address before: 410205 No. 348, west slope, Tongzi high tech Development Zone, Hunan, Changsha Patentee before: HUNAN COPOWER EV BATTERY Co.,Ltd. |