CN205882128U - Electricity core heating module - Google Patents
Electricity core heating module Download PDFInfo
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- CN205882128U CN205882128U CN201620589945.6U CN201620589945U CN205882128U CN 205882128 U CN205882128 U CN 205882128U CN 201620589945 U CN201620589945 U CN 201620589945U CN 205882128 U CN205882128 U CN 205882128U
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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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Abstract
The utility model provides an electric core heating module, which comprises an electric core array and a heating film; the cell array comprises a plurality of single cells; the heating film is arranged among the monomer battery cores in a surrounding mode, the two ends of the heating film are led out of the battery core array respectively, and the two ends of the heating film are electrically connected with a positive electrode leading-out end and a negative electrode leading-out end respectively. The utility model discloses aim at solving and have the problem that heat-conduction efficiency is low and heating effect is inhomogeneous among the current electric core heating technique, realize the rapid heating of electric core array.
Description
Technical Field
The utility model belongs to the technical field of the battery heating, especially, relate to an electricity core heating module.
Background
The lithium ion cell has the advantages of high energy, high battery voltage, wide working temperature range, long storage life and the like, and is widely applied to various small electric appliances and electric automobiles. The working environment of the lithium ion power battery cell applied to the electric automobile is usually-20 ℃ to 60 ℃, the lithium ion power battery cell can better operate at a proper temperature, and the operation life of the lithium ion power battery cell is adversely affected by a low temperature; on the other hand, when the lithium ion power battery cell starts to be started or charged, the temperature change of the battery is large, and the adverse effect is generated on the battery; therefore, in the cold winter, the problem of heating the lithium ion power battery core needs to be considered.
The heating system that most electric automobile electricity core module equipped with now mainly is: and a resistance wire heating sheet is arranged on the outer side wall of the battery cell module to heat. However, the heating method has the following disadvantages:
1. the heating sheet is mainly used for heating the battery core through air heat conduction, and the air heat conduction efficiency is lower;
2. the resistance wire heating sheet can reach the highest temperature of 1000 ℃, and once the temperature sensor fails, the battery cell has the risk of burning;
3. the resistance wire heating sheet has low electrothermal conversion efficiency, and the time from electrifying to meeting the working temperature requirement of the battery cell is too long;
4. the scheme of the resistance wire heating sheet can not uniformly heat all the battery cells, so that output voltages of different battery cells are inconsistent.
SUMMERY OF THE UTILITY MODEL
To there being the problem that heat-conduction efficiency is low and heating effect is inhomogeneous among the current electric core heating technology, the utility model provides an electric core heating module, this electric core heating module can realize the rapid heating of electric core array, makes each monomer electric core in the electric core array be heated evenly simultaneously, guarantees output voltage's uniformity.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
providing a cell heating module, which comprises a cell array and a heating film;
the cell array comprises a plurality of single cells;
the heating film is arranged among the monomer battery cores in a surrounding mode, the two ends of the heating film are led out of the battery core array respectively, and the two ends of the heating film are electrically connected with a positive electrode leading-out end and a negative electrode leading-out end respectively.
Furthermore, a plurality of monomer electric cores in the electric core array are arranged in a rectangular array, and the plurality of monomer electric cores are mutually spaced.
Furthermore, the heating film is a flexible tape body, is in a wave shape and surrounds between the outer walls of the monomer battery cores, and the monomer battery cores are in insulation contact with the heating film.
Further, the heating film is a graphene heating film.
Furthermore, the battery pack also comprises a first battery cell support and a second battery cell support which are used for fixing the battery cell array, and the first battery cell support and the second battery cell support are respectively connected to two sides of the battery cell array.
Furthermore, an accommodating cavity is formed in one surface, facing the second cell support, of the first cell support, the cell array is located in the accommodating cavity, and the second cell support covers an opening of the accommodating cavity;
a plurality of first through holes are formed in the first battery cell support and are respectively communicated with the accommodating cavity and the surface, departing from the accommodating cavity, of the first battery cell support;
a plurality of second through holes are formed in the second battery cell support and are respectively communicated with the accommodating cavity and the surface, departing from the first battery cell support, of the second battery cell support;
and the two ends of the single battery cell are respectively positioned in the first through hole and the second through hole.
Furthermore, the heating film set up in the holding chamber, it has the lead-out groove to open on the lateral wall of first electric core support, positive pole lead-out end and negative pole lead-out end follow lead-out groove is drawn out.
Furthermore, a first guide post is arranged on the first battery cell support, the first guide post extends towards the second battery cell support along the outer side of the first battery cell support, a second guide post is arranged on the second battery cell support along the extending direction of the first guide post, the first guide post and the second guide post are both of a hollow structure, and when the second battery cell support is connected with the first battery cell support, the end parts of the first guide post and the second guide post are axially conducted.
Further, first electric core support and second electric core support buckle are connected.
Further, the single battery cell is a cylindrical battery cell.
According to the utility model discloses an electricity core heating module has set up the heating film in the electricity core array, and the heating film encircles and sets up between a plurality of monomer electricity cores of electricity core array, through the lateral wall direct contact of heating film and electricity core, need not conduct through the air, makes the heat that the heating film produced transmit to monomer electricity core fast on, improves heating efficiency; on the other hand, the heating film surrounds the inner part of the cell array, so that the inner part and the outer part of the cell array can be heated simultaneously, the problem of inconsistent heating temperatures of the monomer cells at different positions is effectively avoided, the temperatures of the monomer cells are consistent, and the consistency of the output voltages of the monomer cells is further ensured.
Drawings
Fig. 1 is a cross-sectional view of a cell heating module provided in embodiment 1 of the present invention;
fig. 2 is an exploded schematic view of a cell heating module provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a first cell support provided in embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a second cell support provided in embodiment 1 of the present invention;
fig. 5 is a cross-sectional view of a cell heating module provided in embodiment 2 of the present invention;
fig. 6 is a cross-sectional view of a cell heating module provided in embodiment 3 of the present invention.
The reference numbers in the drawings of the specification are as follows:
1. heating the film; 11. a positive electrode leading-out terminal; 12. a negative lead-out terminal; 2. an array of cells; 21. a single cell; 3. a first cell support; 31. a first guide post; 32. a first through hole; 33. an accommodating cavity; 4. a second cell support; 41. a second guide post; 42. a second via.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
Referring to fig. 1 and fig. 2, the present embodiment discloses a cell heating module, which includes a cell array 2 and a heating film 1;
the cell array 2 includes a plurality of individual cells 21, the positions of the individual cells 21 are relatively fixed, gaps exist between the individual cells 21, and the individual cells 21 may be various existing batteries having requirements on operating temperature, such as lithium ion batteries, zinc-manganese batteries, cadmium-nickel batteries, nickel-metal hydride batteries, and the like.
The heating film 1 is arranged between the monomer battery cores 21 in a surrounding mode, part of the side walls of the monomer battery cores 21 are in contact with the heating film 1, the heating film 1 wraps the part of the outer walls of the monomer battery cores 21 and is simultaneously led out along the tangential direction of the outer walls of the monomer battery cores 21, the side walls of the monomer battery cores 21 are in direct contact with the heating film 1, heat of the heating film 1 is conducted to the monomer battery cores 21, and the heat is not conducted through air, so that the heat conduction efficiency is improved. The two ends of the heating film 1 are respectively led out of the battery cell array 2, the two ends of the heating film 1 are respectively electrically connected with a positive lead-out end 11 and a negative lead-out end 12, the heating film 1 generates heat after being electrified, and the positive lead-out end 11 and the negative lead-out end 12 are used for leading in electric energy supply required by the heating film 1.
It should be noted that, the number of the heating films 1 is not limited in this embodiment, as shown in fig. 1, one heating film 1 is provided in this embodiment, and those skilled in the art can also select the number of the heating films 1 according to the number of the actual cell cores 21, and the technical solutions of simple replacement made for this embodiment are included in the protection scope of the present invention.
In the present embodiment, the plurality of unit battery cells 21 in the battery cell array 2 are arranged in a rectangular array, and the plurality of unit battery cells 21 are spaced from each other. It should be noted that, in the technical solution of the present embodiment, the appearance and the arrangement mode of the individual electric cores 21 are not limited, and other existing individual electric cores 21 and their arrangement modes, such as an annular array, etc., are adopted, and the technical solution of performing replacement should also be included in the protection scope of the present invention.
The heating film 1 is a bendable flexible belt body, the flexible belt body is selected to be beneficial to the winding and the passing of the heating film 1 in the cell array 2, meanwhile, the heating film 1 is bent and deformed at the contact position of the monomer cell 21 and the heating film 1, the contact area between the heating film 1 and the monomer cell 21 is enlarged, the heating film 1 is preferably in a wave shape and surrounds the outer walls of different monomer cells, the contact part of the monomer cell and the heating film 1 is in an insulation setting, technicians in the field can set a thermal shrinkage film on the outer wall of the monomer cell 21 according to actual conditions, or set a heat conduction layer at the contact position of the heating film 1 and the monomer cell 21, such as heat conduction silica gel and the like, and heat transfer and electrical insulation are carried out.
As a preferred embodiment of the present invention, the heating film 1 is a graphene heating film; graphene heating film electrothermal conversion efficiency is higher, according to the scheme winding is in electric core array 2, make all monomer electric cores 21 simultaneous heating in electric core array 2, electric core rapidly heaies up to the settlement temperature, and graphene heating film has the advantage that heating power can be designable as a novel heating film 1, also can be according to required heating speed design heating curve, can electric core temperature will keep below the highest temperature, avoid the risk that heating temperature is out of control, through experimental, adopt graphene heating film to combine above-mentioned heating film 1 mode of setting to carry out electric core array 2's heating, can reach 90% of required electric core temperature in 10s, can stably continue to export required temperature behind 30s, guarantee that all monomer electric cores 21 of electric core array 2 heat required temperature simultaneously rapidly.
As shown in fig. 2 to 4, the battery cell heating module further includes a first battery cell support 3 and a second battery cell support 4 for fixing the battery array.
Specifically, the first cell support 3 is in a semi-closed box shape, the second cell support 4 is in a cover shape, an accommodating cavity 33 is formed in one surface, facing the second cell support 4, of the first cell support 3, the battery array is located in the accommodating cavity 33, when the second cell support 4 is connected with the first cell support 3, the second cell support 4 closes the opening of the accommodating cavity 33, and the first cell support 3 is connected with the second cell through a buckle;
a plurality of first through holes 32 are formed in the first cell support 3, and the first through holes 32 are respectively communicated with the accommodating cavity 33 and the surface of the first cell support 3 departing from the accommodating cavity 33;
a plurality of second through holes 42 are formed in the second cell support 4, and the second through holes 42 are respectively communicated with the accommodating cavity 33 and the surface of the second cell support 4, which is away from the first cell support 3;
the two ends of the single battery cell 21 are respectively located in the first through hole 32 and the second through hole 42, the single battery cell 21 is fixed through the first through hole 32 and the second through hole 42, a gap for the heating film 1 to pass through is ensured to be reserved between the single battery cells 21, and the two electrode end faces of the single battery cell 21 are located on the outer surfaces of the first battery cell support 3 and the second battery cell support 4 and are used for electric connection between the single battery cells 21.
Fix electric core array 2 through above-mentioned first electric core support 3 and second electric core support 4, heat membrane 1 and electric core array 2 set up jointly in the holding chamber 33, it has drawing forth groove (not shown) to open on the lateral wall of first electric core support 3, anodal end 11 and the negative pole of drawing forth draws forth end 12 and draws forth from drawing forth the groove, anodal end 11 and the negative pole of drawing forth draw forth end 12 and be external to have dc power supply, through dc power supply gives heating membrane 1 power supply, anodal end 11 and the negative pole of drawing forth draw forth end 12 and are silver electrode.
Be provided with first guide post 31 on first electric core support 3, first guide post 31 extends towards second electric core support 4 direction along the outside of first electric core support 3, second electric core support 4 is provided with second guide post 41 in the extending direction of first guide post 31, first guide post 31 and second guide post 41 are hollow structure, when second electric core support 4 is connected with first electric core support 3, first guide post 31 and the end connection of second guide post 41 and mutual conduction. The cell array 2 is reserved with vacant positions at corresponding positions for the first guide post 31 and the second guide post 41 to pass through, the first guide post 31 and the second guide post 41 form a guide through hole, and a plurality of cell heating modules can be connected in series by passing through the guide through hole through bolts.
In order to facilitate the surrounding of the heating film 1 in the cell array 2, reduce the wear of the edges of the individual cells 21 on the heating film 1, and increase the contact heat exchange area between the heating film 1 and the individual cells 21, the individual cells 21 are preferably cylindrical cells.
In the present invention, the surrounding mode of the heating film 1 and the electric core array 2 is various, and the following surrounding mode of the heating film 1 is further explained by the specific embodiment:
in the following description of the embodiments, it is to be understood that the terms "row," "column," "left," "right," "upper," "lower," and the like refer to an orientation or a positional relationship based on that shown in the drawings, which is merely for convenience of description and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the following embodiments.
As shown in fig. 1, the battery cell array includes a battery cell array 2, a first battery cell support 3, a second battery cell support 4, and a heating film 1; the battery cell array 2 is fixedly installed between a first battery cell support 3 and a second battery cell support 4, the single battery cells 21 in the battery cell array 2 are arranged in a rectangular array, the intervals between the single battery cells 21 are equal, a first guide post 31 and a second guide post 41 are arranged between the first battery cell support 3 and the second battery cell support 4, the first guide post 31 and the second guide post 41 are connected with each other to form guide posts, the number of the guide posts is 5, 4 of the guide posts are located at the four corners of the first battery cell support 3, 1 of the guide posts is located at the center of the first battery cell support 3, and the guide posts replace the single battery cells 21 at the corresponding positions in the battery cell array 2;
the heating film 1 is a graphene heating film, the graphene heating film enters from the upper left corner of the cell array 2, the graphene heating film is waved and surrounds the first row of monomer cells 21 of the cell array 2 along the row direction of the cell array 2, the second row of monomer cells 21 is introduced after the graphene heating film reaches the tail of the first row of monomer cells 21, the graphene heating film is waved and surrounds the second row of monomer cells 21 of the cell array 2 along the opposite direction, the graphene heating film is analogized in sequence and finally led out from the lower right corner of the cell array 2, and the two ends of the graphene heating film are respectively connected with the positive electrode leading-out end 11 and the negative electrode leading-out end 12. Example 2
As shown in fig. 5, for an embodiment of the electric core heating module in the present invention, including most technical features in embodiment 1, the difference lies in that:
the heating film 1 is a graphene heating film, the graphene heating film enters from the upper left corner of the cell array 2, linearly penetrates through gaps between a first row of the cell array 2 and a second row of single cells 21 along the row direction of the cell array 2, is introduced into the gaps between the second row of the single cells 21 and a third row of the single cells 21 along the column direction after reaching the tail of the second row of the single cells 21, linearly penetrates through gaps between the second row of the cell array 2 and the third row of the single cells 21 along the opposite direction, the operation is repeated in the same way, and is finally led out from the lower left corner of the cell array 2, and two ends of the graphene heating film are respectively connected with a positive lead-out end 11 and a negative lead-out end 12.
Example 3
As shown in fig. 6, for an embodiment of the electric core heating module in the present invention, including most technical features in embodiment 1, the difference lies in that:
the heating film 1 is a graphene heating film, the graphene heating film enters from the upper left corner of the cell array 2, linearly penetrates through gaps between a first row of the cell array 2 and a second row of single cells 21 along the row direction of the cell array 2, is introduced into the gap between a third row of the single cells 21 and a fourth row of the single cells 21 along the column direction after reaching the tail of the second row of the single cells 21, linearly penetrates through the gap between a third row of the cell array 2 and the fourth row of the single cells 21 along the opposite direction, the operation is repeated in the same way, and is finally led out from the lower left corner of the cell array 2, and two ends of the graphene heating film are respectively connected with a positive lead-out end 11 and a negative lead-out end 12.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A cell heating module is characterized by comprising a cell array and a heating film;
the cell array comprises a plurality of single cells;
the heating film is arranged among the monomer battery cores in a surrounding mode, the two ends of the heating film are led out of the battery core array respectively, and the two ends of the heating film are electrically connected with a positive electrode leading-out end and a negative electrode leading-out end respectively.
2. The cell heating module of claim 1, wherein a plurality of individual cells in the array of cells are arranged in a rectangular array, and the individual cells are spaced apart from each other.
3. The cell heating module according to claim 2, wherein the heating film is a flexible tape body, the heating film is wave-shaped and surrounds outer walls of the individual cells, and the individual cells are in insulated contact with the heating film.
4. The cell heating module of claim 1, wherein the heating film is a graphene heating film.
5. The battery core heating module according to any one of claims 1 to 4, further comprising a first battery core support and a second battery core support for fixing the battery core array, wherein the first battery core support and the second battery core support are respectively connected to two sides of the battery core array.
6. The cell heating module according to claim 5, wherein a holding cavity is formed in a surface of the first cell support facing the second cell support, the cell array is located in the holding cavity, and the second cell support covers an opening of the holding cavity;
a plurality of first through holes are formed in the first battery cell support and are respectively communicated with the accommodating cavity and the surface, departing from the accommodating cavity, of the first battery cell support;
a plurality of second through holes are formed in the second battery cell support and are respectively communicated with the accommodating cavity and the surface, departing from the first battery cell support, of the second battery cell support;
and the two ends of the single battery cell are respectively positioned in the first through hole and the second through hole.
7. The electric core heating module of claim 6, wherein the heating film is disposed in the accommodating cavity, a lead-out groove is formed in a side wall of the first electric core support, and the positive lead-out end and the negative lead-out end are led out from the lead-out groove.
8. The cell heating module according to claim 5, wherein the first cell support is provided with a first guide post, the first guide post extends along an outer side of the first cell support in a direction of the second cell support, the second cell support is provided with a second guide post along an extending direction of the first guide post, the first guide post and the second guide post are both hollow structures, and when the second cell support is connected to the first cell support, ends of the first guide post and the second guide post are axially conducted.
9. The cell heating module according to claim 5, wherein the first cell holder and the second cell holder are snap-fit connected.
10. The cell heating module of claim 1, wherein the individual cells are cylindrical cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589945.6U CN205882128U (en) | 2016-06-16 | 2016-06-16 | Electricity core heating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620589945.6U CN205882128U (en) | 2016-06-16 | 2016-06-16 | Electricity core heating module |
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| CN205882128U true CN205882128U (en) | 2017-01-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711552A (en) * | 2017-02-21 | 2017-05-24 | 华霆（合肥）动力技术有限公司 | Heating device and power supply device |
| CN109560350A (en) * | 2018-12-04 | 2019-04-02 | 卧龙电气集团股份有限公司 | A kind of Li-ion batteries piles that can be worked in low temperature environment |
| CN110770963A (en) * | 2017-06-07 | 2020-02-07 | 罗伯特·博世有限公司 | Electrode assembly for battery module |
| CN112078720A (en) * | 2019-07-31 | 2020-12-15 | 广州雷利诺车业有限公司 | Electric motorcycle and battery thermal balance management method thereof |
| CN112382806A (en) * | 2020-11-11 | 2021-02-19 | 北京理工大学 | Lithium ion power battery system for realizing internal and external combined heating and control method |
| WO2022237378A1 (en) * | 2021-05-13 | 2022-11-17 | 江西省新华仁科技有限公司 | Self-heating battery and preparation method therefor |
| CN116387702A (en) * | 2023-06-05 | 2023-07-04 | 深圳海辰储能控制技术有限公司 | Battery pack, battery module and electric equipment |
-
2016
- 2016-06-16 CN CN201620589945.6U patent/CN205882128U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711552A (en) * | 2017-02-21 | 2017-05-24 | 华霆（合肥）动力技术有限公司 | Heating device and power supply device |
| CN110770963A (en) * | 2017-06-07 | 2020-02-07 | 罗伯特·博世有限公司 | Electrode assembly for battery module |
| CN109560350A (en) * | 2018-12-04 | 2019-04-02 | 卧龙电气集团股份有限公司 | A kind of Li-ion batteries piles that can be worked in low temperature environment |
| CN112078720A (en) * | 2019-07-31 | 2020-12-15 | 广州雷利诺车业有限公司 | Electric motorcycle and battery thermal balance management method thereof |
| CN112382806A (en) * | 2020-11-11 | 2021-02-19 | 北京理工大学 | Lithium ion power battery system for realizing internal and external combined heating and control method |
| CN112382806B (en) * | 2020-11-11 | 2021-11-05 | 北京理工大学 | Lithium ion power battery system for realizing internal and external combined heating and control method |
| WO2022237378A1 (en) * | 2021-05-13 | 2022-11-17 | 江西省新华仁科技有限公司 | Self-heating battery and preparation method therefor |
| CN116387702A (en) * | 2023-06-05 | 2023-07-04 | 深圳海辰储能控制技术有限公司 | Battery pack, battery module and electric equipment |
| CN116387702B (en) * | 2023-06-05 | 2023-08-18 | 深圳海辰储能控制技术有限公司 | Battery pack, battery module and electric equipment |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170612 Address after: 518119 Beek Industrial Zone, Kwai Chung street, Dapeng New District, Guangdong, Shenzhen Patentee after: SHENZHEN BAK POWER BATTERY Co.,Ltd. Address before: Kwai Chung street Beek Industrial Park in Longgang District of Shenzhen City, Guangdong province 518119 Co-patentee before: SHENZHEN BAK BATTERY Co.,Ltd. Patentee before: SHENZHEN BAK POWER BATTERY Co.,Ltd. |
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| PP01 | Preservation of patent right |
Effective date of registration: 20191022 Granted publication date: 20170111 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221022 Granted publication date: 20170111 |