CN218456087U - Heat radiation structure for soft package lithium battery - Google Patents
Heat radiation structure for soft package lithium battery Download PDFInfo
- Publication number
- CN218456087U CN218456087U CN202222125434.7U CN202222125434U CN218456087U CN 218456087 U CN218456087 U CN 218456087U CN 202222125434 U CN202222125434 U CN 202222125434U CN 218456087 U CN218456087 U CN 218456087U
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- China
- Prior art keywords
- heat dissipation
- heat
- adhesion layer
- lithium battery
- lithium cell
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 56
- 230000005855 radiation Effects 0.000 title claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 24
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 21
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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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- Secondary Cells (AREA)
Abstract
The utility model discloses a heat radiation structure for soft packet of lithium cell relates to lithium cell technical field, including lithium cell main part, lithium cell main part's surface is equipped with radiator unit, and radiator unit includes heat dissipation chamber, heat-conducting plate, first adhesion layer and second adhesion layer, and two heat dissipation chambers are seted up respectively in lithium cell main part's both sides, and the opposite side in two heat dissipation chambers is all fixed and is established a plurality of and has the heat-conducting plate, and a plurality of heat-conducting plate is the slope form, the beneficial effects of the utility model are that: be convenient for carry out the heat dissipation through two heat dissipation chambeies to lithium cell main part's both sides and handle, improve the heat circulation and give off efficiency, use a plurality of heating panel to be convenient for cooperate the absorption heat simultaneously to first heating panel and second heating panel are connected to the first adhesion layer and the second adhesion layer that use heat dissipation silica gel material, so that improve the radiating effect, and the heat is given off in the quick transmission, use four radiating fin to be convenient for with heat dissipation to the lithium cell outside simultaneously.
Description
Technical Field
The utility model relates to a heat radiation structure, in particular to heat radiation structure for soft packet of lithium cell belongs to lithium cell technical field.
Background
The lithium-ion soft pack is simply a liquid lithium ion Chi Taoshang one layer polymer shell. Structurally adopt the plastic-aluminum membrane packing, laminate polymer battery can only blow at most and split under the condition that takes place the potential safety hazard, has multiple advantage, for example: the safety performance is good, and explosion can not occur like a steel shell and aluminum shell battery cell; the weight of the soft package battery is 40% lighter than that of a steel shell lithium battery with the same capacity, and is 20% lighter than that of an aluminum shell battery; the soft package battery has high capacity which is 10 to 15 percent higher than that of a steel shell battery with the same specification and size and 5 to 10 percent higher than that of an aluminum shell battery; the internal resistance is small, and the internal resistance of the soft package battery is smaller than that of a lithium battery, so that the self-power consumption of the battery is greatly reduced; the design is flexible, and the shape of the soft package battery can be customized according to the requirements of customers.
Current soft packet of lithium cell radiating effect is relatively poor when using, piles up the heat easily and causes the lithium cell to damage, and current soft packet of lithium cell receives heat radiation structure to influence stable effect relatively poor moreover, influences its inflation safeguard effect easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat radiation structure for soft packet of lithium cell to solve the relatively poor fragile of current soft packet of lithium cell radiating effect that proposes in the above-mentioned background art, the relatively poor problem of protective effect is stabilized to the soft packet of lithium cell that has now moreover.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat radiation structure for soft packet of lithium cell, includes lithium cell main body, lithium cell main body's surface is equipped with radiator unit, radiator unit includes heat dissipation chamber, heat-conducting plate, first adhesion layer and second adhesion layer, two the heat dissipation chamber is seted up respectively lithium cell main body's both sides, two the opposite side in heat dissipation chamber is all fixed to be established a plurality of and has a heat-conducting plate, a plurality of the heat-conducting plate is the slope form, a plurality of the top of heat-conducting plate respectively with two first adhesion layer fixed connection, a plurality of the bottom of heat-conducting plate respectively with two second adhesion layer fixed connection, the inside in heat dissipation chamber is equipped with supporting component.
Preferably, two first adhesion layer and two the second adhesion layer is heat conduction silica gel material and makes, two the top on first adhesion layer all is fixed and is equipped with first heating panel, two the bottom on second adhesion layer all is fixed and is equipped with the second heating panel, two the top of first heating panel and the bottom of two second heating panels all are fixed and are equipped with radiating fin.
Preferably, the supporting component comprises a supporting rod, a protective film and a supporting belt, the supporting rod is fixedly arranged inside two heat dissipation cavities respectively, the supporting rod is V-shaped, the protective film is fixedly arranged on the surface of the lithium battery main body, the protective film is fixedly arranged inside a plurality of supporting belts, the supporting belts are fixedly connected with one sides of the corresponding supporting rods respectively, and the supporting belts are made of flexible materials.
Preferably, the four radiating fins are respectively and fixedly connected with the top end and the bottom end of the protective film, and sealing glue is coated on the surfaces of the four radiating fins.
Preferably, two electrode plates are fixedly arranged on one side of the lithium battery main body, insulating pads are fixedly arranged on one sides of the two electrode plates, auxiliary plates are fixedly arranged on the surfaces of the two insulating pads, and one sides of the two auxiliary plates are fixedly connected with one side of the corresponding heat dissipation cavity respectively.
Preferably, a plurality of heat dissipation holes are formed in one side of each of the two heat dissipation cavities.
Preferably, the protective film is made of an aluminum plastic film material, and the surface of the protective film is coated with a corrosion-resistant coating.
Compared with the prior art, the utility model provides a pair of a heat radiation structure for soft packet of lithium cell has following beneficial effect:
1. the two sides of the lithium battery main body are convenient to radiate through the two radiating cavities, so that the heat circulation radiating efficiency is improved, the radiating plates are convenient to be matched to absorb heat, the first adhesive layer and the second adhesive layer of the radiating silica gel material are used for connecting the first radiating plate and the second radiating plate, so that the radiating effect is improved, the radiated heat is quickly transmitted, and the four radiating fins are convenient to radiate the heat to the outside of the lithium battery;
2. the bracing piece through a plurality of V type supports the heat dissipation chamber, avoids the pressurized to damage, uses the surface of protective film laminating lithium cell main part to protect simultaneously, and the inflation explosion when avoiding damaging uses a plurality of to support the area simultaneously and improves the stable protective effect of protective film.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;
fig. 4 is an enlarged schematic structural diagram of fig. 2B according to the present invention.
In the figure: 1. a lithium battery main body; 2. a first heat dissipation plate; 3. a second heat dissipation plate; 4. a heat dissipating component; 41. a heat dissipation cavity; 42. a heat conducting plate; 43. a first adhesive layer; 44. a second adhesive layer; 5. a support assembly; 51. a support bar; 52. a protective film; 53. a support band; 6. a heat dissipating fin; 7. an electrode sheet; 8. an insulating pad; 9. an auxiliary plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-4, the utility model provides a heat radiation structure for soft package lithium battery, including lithium battery main body 1, the surface of lithium battery main body 1 is equipped with radiator unit 4, radiator unit 4 includes heat dissipation chamber 41, heat-conducting plate 42, first adhesion layer 43 and second adhesion layer 44, two heat dissipation chambers 41 are seted up respectively in the both sides of lithium battery main body 1, the opposite side of two heat dissipation chambers 41 is fixed and is equipped with a plurality of heat-conducting plates 42, a plurality of heat-conducting plates 42 are the slope form, the top of a plurality of heat-conducting plates 42 is respectively with two first adhesion layers 43 fixed connection, the bottom of a plurality of heat-conducting plates 42 is respectively with two second adhesion layers 44 fixed connection, the inside of heat dissipation chamber 41 is equipped with supporting component 5;
the two first adhesion layers 43 and the two second adhesion layers 44 are made of heat-conducting silica gel materials, the top ends of the two first adhesion layers 43 are fixedly provided with first heat dissipation plates 2, the bottom ends of the two second adhesion layers 44 are fixedly provided with second heat dissipation plates 3, and the top ends of the two first heat dissipation plates 2 and the bottom ends of the two second heat dissipation plates 3 are fixedly provided with heat dissipation fins 6;
the four radiating fins 6 are respectively and fixedly connected with the top end and the bottom end of the protective film 52, and the surfaces of the four radiating fins 6 are coated with sealing glue;
two electrode plates 7 are fixedly arranged on one side of the lithium battery main body 1, insulating pads 8 are fixedly arranged on one sides of the two electrode plates 7, auxiliary plates 9 are fixedly arranged on the surfaces of the two insulating pads 8, and one sides of the two auxiliary plates 9 are fixedly connected with one side of the corresponding heat dissipation cavity 41 respectively;
a plurality of heat dissipation holes are formed in one side of each of the two heat dissipation cavities 41;
specifically, as figure 1, figure 2, figure 3, figure 4 shows, at first can circulate the heat through two heat dissipation chamber 41 and accelerate the heat dissipation when using, use a plurality of louvre to improve the radiating effect to lithium cell 1 inside, and derive the heat through a plurality of heat-conducting plate 42, through first adhesion layer 43 and second adhesion layer 44, it is stable to make heat-conducting plate 42 be connected with first heating panel 2 and second heating panel 3, and can carry out quick heat conduction processing, the radiating efficiency is improved, derive the heat to lithium cell 1 outside through four radiating fin 6 fast, carry out insulation processing to accessory plate 9 through insulating pad 8, and be convenient for lead into heat dissipation chamber 41 fit heat dissipation with the heat that electrode slice 7 department produced through accessory plate 9, fully avoid the heat to pile up the damage that causes.
Example 2:
the supporting assembly 5 comprises supporting rods 51, a protective film 52 and supporting bands 53, the supporting rods 51 are respectively fixedly arranged inside the two heat dissipation cavities 41, the supporting rods 51 are all V-shaped, the protective film 52 is fixedly arranged on the surface of the lithium battery main body 1, the supporting bands 53 are fixedly arranged inside the protective film 52, the supporting bands 53 are respectively fixedly connected with one side of the corresponding supporting rods 51, and the supporting bands 53 are all made of flexible materials;
the protective film 52 is made of an aluminum plastic film material, and the surface of the protective film 52 is coated with a corrosion-resistant coating;
specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 4, at first can stabilize heat dissipation chamber 41 inside through the bracing piece 51 of a plurality of V type when using, avoid the extrusion damage, use protecting film 52 laminating lithium cell main part 1 to protect simultaneously and handle, avoid the internal damage to explode or the surface extrusion damage, support the area 53 through a plurality of simultaneously and bracing piece 51 and mutually support and improve the stable guard effect of protecting film 52.
The working principle is as follows: when specifically using, the utility model relates to a heat radiation structure for soft packet of lithium cell, at first can circulate the heat through two heat dissipation chambeies 41 and accelerate the heat dissipation when using, use a plurality of louvre to improve the radiating effect to lithium cell main part 1 inside, and derive the heat through a plurality of heat-conducting plate 42, through first adhesion layer 43 and second adhesion layer 44, it is stable to make heat-conducting plate 42 be connected with first heating panel 2 and second heating panel 3, and can carry out quick heat conduction processing, the radiating efficiency is improved, derive the heat to lithium cell main part 1 outside fast through four radiating fin 6, carry out insulation processing to accessory plate 9 through insulating pad 8, and be convenient for lead-in the heat that electrode slice 7 department produced to heat dissipation chamber 41 fit in through accessory plate 9, fully avoid the heat to pile up the damage that causes, can improve the inside of heat dissipation chamber 41 and stabilize the support area through the bracing piece 51 of a plurality of V type when using, avoid the extrusion damage, use protection film 52 laminating lithium cell main part 1 to carry out protective treatment, avoid the inside damage to damage that damages or surface extrusion, it takes place to damage through the stable support area 52 of a plurality of 53 and bracing piece 51 mutually supporting strip.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a heat radiation structure for soft packet of lithium cell, includes lithium cell main part (1), its characterized in that, the surface of lithium cell main part (1) is equipped with radiator unit (4), radiator unit (4) are including heat dissipation chamber (41), heat-conducting plate (42), first adhesion layer (43) and second adhesion layer (44), two heat dissipation chamber (41) are seted up respectively the both sides of lithium cell main part (1), two the opposite side of heat dissipation chamber (41) is all fixed and is established a plurality of and have heat-conducting plate (42), a plurality of heat-conducting plate (42) are the slope form, a plurality of the top of heat-conducting plate (42) respectively with two first adhesion layer (43) fixed connection, a plurality of the bottom of heat-conducting plate (42) respectively with two second adhesion layer (44) fixed connection, the inside in heat dissipation chamber (41) is equipped with supporting component (5).
2. The heat dissipation structure for the lithium battery pack as claimed in claim 1, wherein: two first adhesion layer (43) and two second adhesion layer (44) are heat conduction silica gel material and make, two the top of first adhesion layer (43) is all fixed and is equipped with first heating panel (2), two the bottom of second adhesion layer (44) is all fixed and is equipped with second heating panel (3), two the top of first heating panel (2) and the bottom of two second heating panels (3) are all fixed and are equipped with radiating fin (6).
3. The heat dissipation structure for the lithium battery pack as claimed in claim 2, wherein: the supporting component (5) comprises a supporting rod (51), a protective film (52) and a supporting belt (53), wherein the supporting rod (51) is fixedly arranged in two heat dissipation cavities (41) respectively, the supporting rod (51) is of a V type, the protective film (52) is fixedly arranged on the surface of the lithium battery main body (1), the protective film (52) is fixedly provided with a plurality of supporting belts (53) and a plurality of supporting belts (53) which are fixedly connected with one sides of the corresponding supporting rods (51) respectively, and the supporting belts (53) are made of flexible materials.
4. The heat dissipation structure for the lithium battery pack according to claim 3, wherein: the four radiating fins (6) are fixedly connected with the top end and the bottom end of the protective film (52) respectively, and sealing glue is coated on the surfaces of the four radiating fins (6).
5. The heat dissipation structure for the lithium battery pack as claimed in claim 1, wherein: the lithium battery is characterized in that two electrode plates (7) are fixedly arranged on one side of the lithium battery main body (1), an insulating pad (8) is fixedly arranged on one side of each electrode plate (7), an auxiliary plate (9) is fixedly arranged on the surface of each insulating pad (8), and one side of each auxiliary plate (9) is fixedly connected with one side of the corresponding heat dissipation cavity (41).
6. The heat dissipation structure for the lithium battery pack as claimed in claim 1, wherein: and a plurality of heat dissipation holes are formed in one side of each of the two heat dissipation cavities (41).
7. The heat dissipation structure for the lithium battery pack according to claim 3, wherein: the protective film (52) is made of an aluminum plastic film material, and the surface of the protective film (52) is coated with a corrosion-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222125434.7U CN218456087U (en) | 2022-08-12 | 2022-08-12 | Heat radiation structure for soft package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222125434.7U CN218456087U (en) | 2022-08-12 | 2022-08-12 | Heat radiation structure for soft package lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218456087U true CN218456087U (en) | 2023-02-07 |
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ID=85123106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222125434.7U Active CN218456087U (en) | 2022-08-12 | 2022-08-12 | Heat radiation structure for soft package lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218456087U (en) |
-
2022
- 2022-08-12 CN CN202222125434.7U patent/CN218456087U/en active Active
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