CN211578927U - Large-gap battery module heat dissipation structure - Google Patents
Large-gap battery module heat dissipation structure Download PDFInfo
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- CN211578927U CN211578927U CN202020236183.8U CN202020236183U CN211578927U CN 211578927 U CN211578927 U CN 211578927U CN 202020236183 U CN202020236183 U CN 202020236183U CN 211578927 U CN211578927 U CN 211578927U
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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 discloses a large-gap battery module heat dissipation structure, which comprises a battery module main body, wherein the battery module main body comprises a plurality of rows of battery cores; the upper end and the lower end of the battery module main body are respectively embedded into the plastic upper bracket and the plastic lower bottom support; the front end and the rear end of the plastic upper bracket and the plastic lower bottom support are respectively connected through two module fixing long screws and are fastened through nuts; the outside of each module fixed long screw is respectively sleeved with a mounting plastic conduit; the plastic lower bottom support comprises a plurality of lower bottom support lattices; each lower bottom support lattice is used for placing the lower part of the battery cell; the plastic upper bracket comprises a plurality of upper bracket lattices; each upper support grid is used for placing the upper part of the battery cell; the plastic upper support and the plastic lower bottom support are fixedly connected through a plurality of packing belts. The utility model discloses a plastics are gone to the lower bottom and are held in the palm specific check and settle electric core, leave great space between every check, can promote the radiating efficiency on monomer electricity core surface in the component module, reduce the difference in temperature in the module.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a big clearance battery module heat radiation structure.
Background
With the large consumption of non-renewable energy resources and the increasing of the environmental pollution problem in the world, the low-carbon and environment-friendly new energy resource gradually becomes the dominant force of the future energy resource development. Lithium batteries are a green and environment-friendly energy source and gradually become the preferred power source of various industries at present.
However, the lithium ion battery module generates a large amount of heat during the use process, and if the part of heat cannot be well conducted out, the service life of the battery module is shortened, and under a more serious condition, heat concentration also causes safety accidents.
Most battery module structural design now still lies in seeking external media, for example fan, liquid cold plate, heat pipe contain phase change material, cools off lithium ion battery module, and this has increased design cost undoubtedly, simultaneously, to the difference of lithium ion battery module cold junction and hot junction, leads to great difference in temperature, long-term past, can lead to battery module life's reduction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big clearance battery module heat radiation structure to the technical defect that prior art exists.
Therefore, the utility model provides a large-gap battery module heat dissipation structure, which comprises a battery module main body, wherein the battery module main body comprises a plurality of rows of vertically distributed battery cores;
the upper end and the lower end of the battery module main body are respectively embedded into the plastic upper bracket and the plastic lower bottom support;
the front end and the rear end of the plastic upper bracket and the plastic lower bottom support are respectively connected through two module fixing long screws and are fastened through nuts;
each module is fixed outside the long screw and is respectively sleeved with a mounting plastic conduit;
the plastic lower bottom support comprises a plurality of lower bottom support lattices;
each lower bottom support lattice is used for placing the lower part of the battery cell;
the plastic upper bracket comprises a plurality of upper bracket lattices;
each upper support grid is used for placing the upper part of the battery cell;
the plastic upper support and the plastic lower bottom support are fixedly connected together through a plurality of packing belts.
A plurality of second packing belt guide grooves which are longitudinally distributed are arranged at intervals at the bottom of the plastic lower bottom support;
a plurality of first packing belt guide grooves are arranged at intervals at the top of the plastic upper support at positions corresponding to the second packing belt guide grooves;
the first packing belt guide groove and the second packing belt guide groove are used for guiding and fixing the packing belt.
The middle parts of the front inner side wall and the rear inner side wall of each lower bottom support lattice are provided with second battery cell fastening convex columns which are vertically distributed;
the front end and the rear end of the left side and the right side of the plastic lower bottom support are respectively provided with a module mounting hole site;
the left end and the right end of the front side and the rear side of the plastic lower bottom support are respectively provided with a second module fixing hole.
The middle parts of the front inner side wall and the rear inner side wall of each upper support grid are provided with first battery cell fastening convex columns which are vertically distributed;
the left side and the right side of the plastic upper bracket are respectively provided with a busbar mounting buckle;
the left end and the right end of the front side and the rear side of the plastic upper bracket are respectively provided with a first module fixing hole.
Wherein, the top of the plastic upper bracket is provided with a plurality of busbar supporting bosses;
a bus positioning column is arranged between any two bus supporting bosses.
The left end of the top of the battery module main body is connected with a tail part serial row;
the tail serial row comprises a tail serial copper row, a plurality of negative electrode nickel rows and a plurality of positive electrode nickel rows;
one side of the tail part of the copper bar is connected in series with the negative electrode nickel bar and the positive electrode nickel bar through laser welding.
The battery module comprises a battery module main body, a power supply and a power supply, wherein two main positive and negative output rows are connected and arranged at the right end of the top of the battery module main body;
each total positive and negative output row comprises an output nickel row and an output copper row;
the output nickel bar and the output copper bar are distributed up and down and welded together through laser welding.
Wherein, the bottom surface of battery module main part is provided with heat conduction silica gel pad.
And a cell gap exists between any two adjacent cells.
By the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides a big clearance battery module heat radiation structure, its structural design science adopts plastics to go to the bottom and holds in the palm specific check and settle electric core, leaves great space between every check to can promote the radiating efficiency who constitutes monomer electricity core surface in the module, reduce the difference in temperature in the module, promote the high temperature performance of module, be favorable to prolonging module cycle life, have profound meaning to promoting whole car battery system life-span.
Drawings
Fig. 1 is a schematic perspective view of a heat dissipation structure of a large-gap battery module according to the present invention;
fig. 2 is a schematic view of a plastic bottom support structure in a heat dissipation structure of a large-gap battery module according to the present invention;
fig. 3 is a schematic view of a plastic upper bracket structure in a large-gap battery module heat dissipation structure provided by the present invention;
fig. 4 is a schematic diagram of a tail-end serial arrangement structure in a heat dissipation structure of a large-gap battery module according to the present invention;
fig. 5 is a schematic diagram of a total positive and negative output row structure in a heat dissipation structure of a large-gap battery module according to the present invention;
fig. 6 is a schematic side view of a heat dissipation structure of a large-gap battery module according to the present invention;
fig. 7 is a schematic view of a heat dissipation structure of a large-gap battery module according to the present invention, showing a front heat dissipation manner;
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 7, the present invention provides a large-gap heat dissipation structure for a battery module, which is applied to the fields of a pure electric bus, an energy storage device, etc., and specifically includes a battery module main body, which includes a plurality of rows of vertically distributed battery cells 11;
the upper end and the lower end of the battery module main body are respectively embedded into the plastic upper bracket 5 and the plastic lower bottom support 6;
it should be noted that the battery cell 11 is installed in the lower bottom support grid of the plastic lower bottom support; the plastic upper bracket 5 is mounted on the shoulder of the battery cell 11.
The front end and the rear end of the plastic upper bracket 5 and the plastic lower bottom support 6 are respectively connected through two module fixing long screws 3 and are fastened through nuts 8;
a mounting plastic conduit 7 is respectively sleeved outside each module fixing long screw 3;
note that the module fixing long screw 3 and the nut 8 are used for fastening the module. The plastic guide pipe 7 is arranged to play a role in supporting the plastic upper bracket and the plastic lower bottom support;
the plastic lower shoe 6 comprises a plurality of lower shoe lattices 61;
each lower bottom support lattice 61 is used for placing the lower part of the cell 11;
the plastic upper rack 5 comprises a plurality of upper rack lattices 51;
each upper rack lattice 51 for placing the upper part of the cell 11;
the plastic upper bracket 5 and the plastic lower bottom support 6 are fixedly connected together through a plurality of packing belts 9.
It should be noted that the size of the cavity of the upper rack lattice 51 and the size of the cavity of the lower rack lattice 61 are matched with the size of the upper and lower ends of the battery cell 11.
In the utility model, in the concrete implementation, the bottom of the plastic lower bottom support 6 is provided with a plurality of second packing belt guide grooves 64 which are longitudinally distributed at intervals;
a plurality of first packing belt guide grooves 54 are arranged at intervals at the top of the plastic upper bracket 5 at positions corresponding to the second packing belt guide grooves 64;
the first strapping band guide slot 54 and the second strapping band guide slot 64 serve for guiding and fixing the strapping band 9.
In the utility model, in the concrete implementation, a second cell fastening convex column 62 which is vertically distributed is arranged in the middle of the front inner side wall and the rear inner side wall of each lower bottom support grid 61;
the front end and the rear end of the left side and the right side of the plastic lower bottom support 6 are respectively provided with a module mounting hole site 63;
the left and right ends of the front and rear sides of the plastic lower bottom support 6 are respectively provided with a second module fixing hole 65.
It should be noted that the second cell fastening convex column 62 is used for fixing the cell 11.
In the utility model, in the concrete implementation, the middle part of the front and back inner side walls of each upper support grid 51 is provided with a first cell fastening convex column 52 which is vertically distributed;
the left side and the right side of the plastic upper bracket 5 are respectively provided with a busbar mounting buckle 53;
the left and right ends of the front and rear sides of the plastic upper bracket 5 are respectively provided with a first module fixing hole 57.
It should be noted that the first cell fastening convex column 52 is used for fixing the cell 11.
In particular, a plurality of busbar support bosses 56 are arranged at the top of the plastic upper bracket 5;
between any two of the busbar support bosses 56, a busbar positioning post 55 is provided.
In the utility model, in the concrete implementation, the left end of the top of the main body of the battery module is provided with a tail serial row 1 in a connecting way;
the tail serial row 1 comprises a tail serial copper bar 110, a plurality of cathode nickel bars 120 and a plurality of anode nickel bars 130;
the tail part is connected with one side of the copper bar 110 in series and is welded with the cathode nickel bar 120 and the anode nickel bar 130 through laser welding.
In the utility model, in the concrete implementation, the right end of the top of the battery module main body is connected with two main positive and negative output rows 4;
each total positive and negative output row 4 comprises an output nickel row 41 and an output copper row 42;
the output nickel row 41 and the output copper row 42 are distributed up and down and welded together by laser welding.
The utility model discloses in, on specifically realizing, the bottom surface of battery module main part is provided with heat conduction silica gel pad 10.
It should be noted that, referring to fig. 6 and 7, the heat conductive silicone gasket 10 is mounted on the bottom surface of the battery module main body, such as the heat conductive direction 12, and the heat conductive silicone gasket 1 is used for heat conduction with the bottom of the case or the liquid cooling plate.
The utility model discloses in, on specifically realizing, there is electric core clearance 12 (for example the transverse gap between the electric core of transverse distribution, or the longitudinal gap between the electric core of longitudinal distribution) between two arbitrary adjacent electric cores 11, electric core clearance 12 can supply wind flow direction 14, carries out the cooling heat dissipation on electric core 11 surface.
What need explain, can know based on above technical scheme, the utility model provides a pair of big clearance battery module heat radiation structure, the performance is excellent, can dispel the heat to the module fully, and keeps the whole difference in temperature of module less to improve battery system environmental suitability, satisfy operation requirement under the higher temperature.
To sum up, compare with prior art, the utility model provides a pair of big clearance battery module heat radiation structure, it can be in real time, discharge lithium ion battery effectively and seal the gas that the formation back produced, avoid the inside atmospheric pressure of battery too big, guarantee lithium ion battery's security performance, be favorable to improving the market application prospect of battery manufacture factory product, have great production practice meaning.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A large-gap battery module heat dissipation structure is characterized by comprising a battery module main body, wherein the battery module main body comprises a plurality of rows of vertically distributed battery cores (11);
the upper end and the lower end of the battery module main body are respectively embedded into the plastic upper bracket (5) and the plastic lower bottom support (6);
the front end and the rear end of the plastic upper bracket (5) and the plastic lower bottom support (6) are respectively connected through two module fixing long screw rods (3) and fastened through nuts (8);
a plastic mounting conduit (7) is respectively sleeved outside each module fixing long screw (3);
the plastic lower bottom support (6) comprises a plurality of lower bottom support grids (61);
each lower bottom support lattice (61) is used for placing the lower part of the cell (11);
the plastic upper rack (5) comprises a plurality of upper rack lattices (51);
each upper support grid (51) is used for placing the upper part of the battery cell (11);
the plastic upper bracket (5) and the outer side of the plastic lower bottom support (6) are fixedly connected together through a plurality of packing belts (9).
2. The heat dissipation structure of a large-gap battery module as claimed in claim 1, wherein a plurality of second packing belt guide grooves (64) are arranged at intervals at the bottom of the plastic lower base (6);
a plurality of first packing belt guide grooves (54) are arranged at intervals at the top of the plastic upper bracket (5) at the positions corresponding to the second packing belt guide grooves (64);
a first strapping band guide groove (54) and a second strapping band guide groove (64) for guiding and fixing a strapping band (9).
3. The large-gap battery module heat dissipation structure of claim 1, wherein the middle of the front and rear inner side walls of each lower bottom support lattice (61) is provided with second cell fastening convex columns (62) which are vertically distributed;
the front end and the rear end of the left side and the right side of the plastic lower bottom support (6) are respectively provided with a module mounting hole site (63);
the left end and the right end of the front side and the rear side of the plastic lower bottom support (6) are respectively provided with a second module fixing hole (65).
4. The large-gap battery module heat dissipation structure of claim 1, wherein the middle of the front and rear inner side walls of each upper bracket grid (51) is provided with vertically distributed first cell fastening convex columns (52);
bus bar mounting buckles (53) are respectively arranged on the left side and the right side of the plastic upper bracket (5);
the left end and the right end of the front side and the rear side of the plastic upper bracket (5) are respectively provided with a first module fixing hole (57).
5. The large gap battery module heat dissipation structure according to claim 4, wherein a plurality of bus bar support bosses (56) are provided on the top of the plastic upper bracket (5);
a bus bar positioning column (55) is arranged between any two bus bar supporting bosses (56).
6. The large-gap battery module heat dissipation structure as defined in claim 1, wherein the left end of the top of the battery module main body is provided with a tail-end serial row (1) in a connected manner;
the tail serial row (1) comprises a tail serial copper bar (110), a plurality of negative nickel rows (120) and a plurality of positive nickel rows (130);
one side of the tail part of the serial copper bar (110) is welded with the cathode nickel bar (120) and the anode nickel bar (130) through laser welding.
7. The large-gap battery module heat dissipation structure as defined in claim 1, wherein two total positive and negative output rows (4) are connected to the right end of the top of the battery module body;
each total positive and negative output row (4) comprises an output nickel row (41) and an output copper row (42);
the output nickel row (41) and the output copper row (42) are distributed up and down and welded together through laser welding.
8. The large-gap battery module heat dissipation structure as defined in claim 1, wherein a heat conductive silicone pad (10) is disposed on a bottom surface of the battery module main body.
9. The large-gap battery module heat dissipation structure of claim 1, wherein a cell gap (12) exists between any two adjacent cells (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236183.8U CN211578927U (en) | 2020-03-02 | 2020-03-02 | Large-gap battery module heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236183.8U CN211578927U (en) | 2020-03-02 | 2020-03-02 | Large-gap battery module heat dissipation structure |
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| Publication Number | Publication Date |
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| CN211578927U true CN211578927U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020236183.8U Active CN211578927U (en) | 2020-03-02 | 2020-03-02 | Large-gap battery module heat dissipation structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675522A (en) * | 2021-08-19 | 2021-11-19 | 福建云众动力科技有限公司 | Lithium battery suitable for being used by aquatic equipment |
| CN115498321A (en) * | 2022-10-24 | 2022-12-20 | 航天锂电科技(江苏)有限公司 | Battery module with heat dissipation function for full-lug large cylindrical battery |
-
2020
- 2020-03-02 CN CN202020236183.8U patent/CN211578927U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675522A (en) * | 2021-08-19 | 2021-11-19 | 福建云众动力科技有限公司 | Lithium battery suitable for being used by aquatic equipment |
| CN115498321A (en) * | 2022-10-24 | 2022-12-20 | 航天锂电科技(江苏)有限公司 | Battery module with heat dissipation function for full-lug large cylindrical battery |
| CN115498321B (en) * | 2022-10-24 | 2023-12-29 | 航天锂电科技(江苏)有限公司 | Battery module with heat dissipation function for full-lug large-cylindrical battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Patentee after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road Patentee before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |
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| TR01 | Transfer of patent right |