CN214227007U - Buffering heat-insulating aerogel sheet - Google Patents
Buffering heat-insulating aerogel sheet Download PDFInfo
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- CN214227007U CN214227007U CN202023272798.5U CN202023272798U CN214227007U CN 214227007 U CN214227007 U CN 214227007U CN 202023272798 U CN202023272798 U CN 202023272798U CN 214227007 U CN214227007 U CN 214227007U
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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 buffering heat insulation gel sheet, which comprises a heat insulation layer and a buffering structure layer, wherein the buffering structure layer is arranged on the surface of the heat insulation layer, and the surface of the buffering structure layer contains a plurality of bulges or the buffering structure layer contains a plurality of bulges; the buffer structure layer is provided with two layers, and is respectively arranged on the upper surface and the lower surface of the heat insulation layer or wound on the surface of the heat insulation layer when the surface of the buffer structure layer contains a plurality of bulges; the protective layer is arranged on the outer side of the buffer layer and is tightly attached to the buffer structure layer in a protruding mode or is flatly laid on the buffer structure layer. The utility model discloses an arrange the buffer structure layer in insulating layer upper and lower surface or with the winding of buffer structure layer on the insulating layer, can have certain shock-absorbing capacity when can be so that the aerogel felt has good thermal-insulated effect, can play fine cushioning effect, the life of extension battery when being applied to it between the group battery electricity core receiving jolting or when assaulting.
Description
The technical field is as follows:
the utility model belongs to the technical field of the heat insulating sheet, concretely relates to buffering heat insulating gas gel piece.
Background art:
at present, most of new energy automobiles sold in China market are hybrid electric vehicles and pure electric vehicles, and power sources of the new energy automobiles mainly comprise lithium ion batteries, nickel-hydrogen batteries, fuel batteries, lead-acid batteries and super capacitors.
The power that the car traveles needs is very big, and the new energy automobile that adopts electric power to provide power needs the battery compartment to provide great electric current for a long time in order to guarantee can normally travel, guarantees the providing of power. Because the battery energy storage part and the energy conversion part in the battery pack exist in the same space, the battery pack is easy to cause chain exothermic reaction under the conditions of overcharge, needling and collision, and thermal runaway accidents such as smoking, fire accident and even explosion are caused. Thermal runaway is the most serious safety accident of the power battery and directly threatens the life safety of users. The thermal runaway propagation problem of the battery pack is mainly solved by a thermal protection technology.
At present, the research on thermal runaway of a power battery system mainly focuses on the aspect of the thermal runaway safety problem which is triggered by the thermal runaway of a single battery cell and then propagated to the whole battery pack, because when the thermal runaway is triggered by a certain single battery cell, the heat generation quantity suddenly increases, and the heat dissipation quantity is far smaller than the heat generation quantity, so that the heat is transferred to the surrounding battery cells, the large-scale thermal runaway of the peripheral batteries can be rapidly caused, and a series of chain reactions are caused. Or, the thermal runaway of the single battery cell is a source of the thermal runaway of the whole battery pack. Therefore, a set of targeted battery thermal insulation materials must be arranged for the power battery pack on the electric automobile, and the good thermal insulation materials can improve the working efficiency and the service life of the whole power battery pack.
The battery is at the in-process of quick charge-discharge, and the electric core can be the inflation shrinkage repeatedly, therefore the fire-retardant insulation material between the electric core must have good shock-absorbing capacity to the inflation shrinkage circulation of adaptation electric core avoids electric core to arouse because of the inflation shrinkage wearing and tearing and the fracture of shell, and when the battery takes place the thermal runaway explosion, through compression cushioning effect, absorbs partial energy.
The invention content is as follows:
the utility model discloses to the problem that prior art exists, provide a buffering heat-insulating gas gel piece, have good thermal-insulated effect and shock-absorbing capacity.
The utility model discloses a solve technical problem and take technical scheme as follows:
the utility model provides a buffering heat-insulating aerogel sheet, includes insulating layer and buffer structure layer, buffer structure layer locates the surface of insulating layer, buffer structure layer contains a plurality of arch for the surface or buffer structure layer is a plurality of arch.
Preferably, the protrusions are one of continuous protrusions and discontinuous protrusions, the continuous protrusions are formed by connecting adjacent protrusions in a continuous manner, and the discontinuous protrusions are formed by spacing between adjacent protrusions.
Preferably, the protrusion is one of a spherical protrusion, a cylindrical protrusion, a hemispherical protrusion, or a block-shaped protrusion.
Preferably, the buffer structure layer is provided with two layers which are respectively arranged on the upper surface and the lower surface of the heat insulation layer.
Preferably, when the buffer structure layer contains a plurality of bulges on the surface, the buffer structure layer is arranged on the surface of the heat insulation layer in a winding and attaching mode.
Preferably, the buffer structure layer is a hollow structure or the interior of the buffer structure layer is filled with filler; the filler filled in the buffer structure layer is one or two of heat insulation filler or phase change material; the heat insulation filler is any one of titanium dioxide particles, zinc oxide particles, hollow glass microspheres, hollow silicon dioxide microspheres, hollow phenolic resin microspheres, hollow carbon microspheres and ceramic hollow microspheres; the phase change material is one of an independent phase change material or a microcapsule phase change material, the microcapsule phase change material is prepared by compounding the phase change material with an outer shell, and the phase change material is any one of paraffin, hydrated crystal salt, molten salt, fatty alcohol and fatty acid; the shell body is made of any one of phenolic resin, urea resin, melamine-formaldehyde resin, epoxy resin, polyurethane and polyimide.
Preferably, the buffer structure layer is any one of a foaming material, rubber and a plastic air bag; the foaming material is any one of foamed plastic, foamed rubber and foamed resin; the plastic air bag is prepared by taking thermoplastic resin as an outer film, inflating the thermoplastic resin into the plastic air bag and sealing the plastic air bag, wherein the thermoplastic resin is any one of polyethylene resin, polypropylene resin, polystyrene resin, polycarbonate resin, polyvinyl chloride resin, polyamide resin, polyformaldehyde resin and polyphenyl ether resin.
Preferably, the thermal insulation layer is aerogel felt.
Preferably, the thermal-protective coating has fire-retardant dope layer all around the coating, fire-retardant dope layer is located between buffer structure layer and the thermal-protective coating.
Preferably, the buffer structure layer is coated with a protective layer, and the protective layer is arranged in a protruding manner close to the buffer structure layer or is flatly paved on the buffer structure layer.
Preferably, the flame-retardant coating layer is formed by coating flame-retardant coating; the protective layer is one of glass fiber cloth, a flame-retardant insulating film and high silica cloth; the flame-retardant insulating film is any one of a polyester flame-retardant film, a polyimide flame-retardant film, a polyoxyethylene flame-retardant film, a polycarbonate flame-retardant film, a polyethylene flame-retardant film and a polyphenylene sulfide flame-retardant film.
The utility model discloses an actively beneficial effect as follows:
1. the utility model discloses in through set up the buffer structure layer in the insulating layer outside, wherein, the buffer structure layer contains a plurality of arch or buffer structure layer for the surface and is a plurality of arch, the buffer structure layer is arranged the insulating layer upper and lower surface in or is twined the buffer layer on the insulating layer, certain shock-absorbing capacity has when can making the aerogel felt have good thermal-insulated effect, the battery is at the in-process of quick charge-discharge, electric core can be the expansion and contraction repeatedly, set up and to provide certain expansion space for electric core in the inside buffer structure layer of structure, play the absorbing effect of buffering.
2. The utility model discloses a coating one deck flame retardant coating in the outside of insulating layer structure aerogel felt both can prevent the phenomenon that the aerogel felt falls powder, can increase the flame retardant action of heat insulating sheet again.
3. The utility model discloses set up the protective layer in the buffer structure layer outside, the protective layer is hugged closely the protruding setting of buffer structure layer or the protective layer is tiled on buffer structure layer, and the protective layer adopts the fire-retardant film that has better flame retardant efficiency, plays dual fire-retardant efficiency, increases the flame retardant action of heat insulating sheet. If the protective layer is arranged in a protruding manner and clings to the buffer structure layer, the uneven structure can increase the heat transfer path.
4. The utility model provides a heat shield structure can reduce electric core very big degree and cause chain out of control because of the high heat conduction of the electric core of out of control, greatly promotes electric core security and life, has ensured personnel's the time of fleing, has prolonged the time of suing and labouring to the vehicle.
Description of the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;
fig. 4 is a schematic structural diagram of embodiment 4 of the present invention;
fig. 5 is a schematic structural diagram of embodiment 5 of the present invention;
fig. 6 is a schematic structural diagram of embodiment 6 of the present invention;
fig. 7 is a schematic structural diagram of embodiment 7 of the present invention;
fig. 8 is a schematic structural diagram of embodiment 8 of the present invention;
fig. 9 is a schematic structural diagram of embodiment 9 of the present invention;
fig. 10 is a schematic structural view of embodiment 10 of the present invention;
in the figure, 1-a heat insulation layer, 2-a buffer structure layer, 3-a flame retardant coating layer and 4-a protective layer.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings and the embodiments:
example 1:
referring to fig. 1, a buffering heat insulation gel sheet comprises a heat insulation layer 1 and a buffering structure layer 2, wherein the buffering structure layer 2 is arranged on the surface of the heat insulation layer 1, and the buffering structure layer 2 is a plurality of discontinuous square protrusions.
The buffer structure layer 2 is provided with two layers which are respectively arranged on the upper surface and the lower surface of the heat insulation layer 1.
The buffer structure layer 2 is filled with heat insulation filler, and the heat insulation filler is titanium dioxide particles, zinc oxide particles and hollow glass beads.
The buffer structure layer 2 is a plastic air bag, the plastic air bag for the buffer structure is prepared by filling heat insulation filler into a thermoplastic resin serving as an outer film, inflating the interior of the plastic air bag, and sealing the interior of the plastic air bag, wherein the thermoplastic resin is polyethylene resin.
The heat insulation layer 1 is aerogel felt.
The coating has fire-retardant dope layer 3 around insulating layer 1, and fire-retardant dope layer 3 is located between buffer structure layer 2 and insulating layer 1.
The buffer structure layer 2 is coated with a protective layer 4, and the protective layer 4 is laid on the buffer structure layer 2.
The flame-retardant coating layer 3 is formed by coating flame-retardant coating; the protective layer 4 is glass cloth.
Example 2:
referring to fig. 2, the structure of the cushioning and heat insulating gel sheet of the present embodiment is the same as that of embodiment 1, and the same points are not repeated, except that:
the surface of the buffer structure layer 2 contains a plurality of discontinuous hemispherical bulges.
The buffer structure layer 2 is a hollow structure.
The buffer structure layer 2 is made of foaming materials, and the foaming materials are made of foam rubber.
The protective layer 4 is a polyethylene flame-retardant film.
Example 3:
referring to fig. 3, the buffering heat insulation gel sheet comprises a heat insulation layer 1 and a buffering structure layer 2, wherein the buffering structure layer 2 is arranged on the surface of the heat insulation layer 1, and the buffering structure layer 2 is provided with a plurality of discontinuous square protrusions on the surface.
The buffer structure layer 2 is provided with two layers which are respectively arranged on the upper surface and the lower surface of the heat insulation layer 1.
The interior of the buffer structure layer 2 is filled with a filler, the filler is a microcapsule phase-change material, the microcapsule phase-change material is prepared by compounding a phase-change material and an outer shell, and the phase-change material is hydrated crystal salt; the shell is made of phenolic resin.
The buffer structure layer 2 is made of rubber.
The heat insulation layer 1 is aerogel felt.
The coating has fire-retardant dope layer 3 around insulating layer 1, and fire-retardant dope layer 3 is located between buffer structure layer 2 and insulating layer 1.
The periphery of the buffer structure layer 2 is coated with a protective layer 4, and the protective layer 4 is closely attached to the buffer structure layer 2 and is arranged in a protruding mode.
The flame-retardant coating layer 3 is formed by coating flame-retardant coating; the protective layer 4 is a polyester flame-retardant film.
Example 4:
referring to fig. 4, the structure of the cushioning heat insulating gel sheet of the present embodiment is identical to that of embodiment 3, and the same points are not repeated, except that:
the buffer structure layer 2 is a plurality of discontinuous hemispherical bulges.
The buffer structure layer 2 is a hollow structure.
The buffer structure layer 2 is made of rubber.
The protective layer 4 is glass cloth.
Example 5:
referring to fig. 5, a buffering heat insulation gel sheet comprises a heat insulation layer 1 and a buffering structure layer 2, wherein the buffering structure layer 2 is arranged on the surface of the heat insulation layer 1, and the buffering structure layer 2 contains a plurality of continuous hemispherical protrusions on the surface.
The buffer structure layer 2 is provided with two layers which are respectively arranged on the upper surface and the lower surface of the heat insulation layer 1.
The buffer structure layer 2 is filled with two fillers, namely a heat insulation filler and a phase-change material, the heat insulation filler is hollow silica micro-beads, and the phase-change material is hydrated crystal salt.
The buffer structure layer 2 is made of foaming materials, and the foaming materials are foamed resin.
The heat insulation layer 1 is aerogel felt.
The coating has fire-retardant dope layer 3 around insulating layer 1, and fire-retardant dope layer 3 is located between buffer structure layer 2 and insulating layer 1.
The buffer structure layer 2 is coated with a protective layer 4, and the protective layer 4 is laid on the buffer structure layer 2.
The flame-retardant coating layer 3 is formed by coating flame-retardant coating; the protective layer 4 is a high silica cloth.
Example 6:
referring to fig. 6, the structure of the cushioning heat insulating gel sheet of the present embodiment is identical to that of embodiment 5, and the same points are not repeated, except that:
the buffer structure layer 2 is a plurality of continuous hemispherical bulges.
The buffer structure layer 2 is a hollow structure.
The buffer structure layer 2 is a plastic air bag, the plastic air bag is prepared by taking thermoplastic resin as an outer film, inflating the interior of the plastic air bag and sealing the interior of the plastic air bag, and the thermoplastic resin is polystyrene resin.
The protective layer 4 is glass cloth.
Example 7:
referring to fig. 7, the buffering heat insulation gel sheet comprises a heat insulation layer 1 and a buffering structure layer 2, wherein the buffering structure layer 2 is arranged on the surface of the heat insulation layer 1, and the surface of the buffering structure layer 2 contains a plurality of continuous hemispherical protrusions;
the buffer structure layer 2 is provided with two layers which are respectively arranged on the upper surface and the lower surface of the heat insulation layer 1.
The interior of the buffer structure layer 2 is filled with heat insulation filler, and the heat insulation filler is 4 hollow silica micro-beads, hollow phenolic resin micro-beads, hollow carbon micro-beads and ceramic hollow micro-beads.
The buffer structure layer 2 is made of foaming materials, and the foaming materials are foamed plastics.
The heat insulation layer 1 is aerogel felt.
The periphery of the heat insulation layer 1 is coated with a flame retardant coating layer 3, and the flame retardant coating layer 3 is positioned between the buffer structure layer 2 and the heat insulation layer 1.
The periphery of the buffer structure layer 2 is coated with a protective layer 4, and the protective layer 4 is closely attached to the buffer structure layer 2 and is arranged in a protruding mode.
The flame-retardant coating layer 3 is formed by coating flame-retardant coating; the protective layer 4 is a polyimide flame retardant film.
Example 8:
referring to fig. 8, the structure of the cushioning heat insulating gel sheet of the present embodiment is identical to that of embodiment 7, and the same points are not repeated, except that:
the buffer structure layer 2 is a plurality of continuous hemispherical bulges.
The buffer structure layer 2 is a hollow structure.
The buffer structure layer 2 is made of foaming materials, and the foaming materials are foamed resin.
The protective layer 4 is glass cloth.
Example 9:
referring to fig. 9, the buffering heat insulation gel sheet comprises a heat insulation layer 1 and a buffering structure layer 2, wherein the buffering structure layer 2 is arranged on the surface of the heat insulation layer 1, the buffering structure layer 2 is provided with a plurality of protrusions on the surface, and the protrusions are connected to form a plane on the surface.
The buffer structure layer 2 is wound on the surface of the heat insulation layer 1.
The interior of the buffer structure layer 2 is filled with filler which is a molten salt phase change material.
The buffer structure layer 2 is a plastic air bag, the plastic air bag for the buffer structure is prepared by filling molten salt phase change material filler into a thermoplastic resin serving as an outer film, inflating the interior of the plastic air bag, and the thermoplastic resin is polyvinyl chloride resin.
The heat insulation layer 1 is aerogel felt.
The coating has fire-retardant dope layer 3 around insulating layer 1, and fire-retardant dope layer 3 is located between buffer structure layer 2 and insulating layer 1.
The buffer structure layer 2 is coated with a protective layer 4, and the protective layer 4 is laid on the buffer structure layer 2.
The flame-retardant coating layer 3 is formed by coating flame-retardant coating; the protective layer 4 is glass cloth.
Example 10:
referring to fig. 10, the structure of the cushioning heat insulating gel sheet of the present embodiment is identical to that of embodiment 9, and the same points are not repeated, except that:
the buffer structure layer 2 is a hollow structure.
The buffer structure layer 2 is made of foaming materials, and the foaming materials are made of foam rubber.
The protective layer 4 is a polyethylene flame-retardant film.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. A buffering heat insulation gel sheet is characterized in that: the buffering heat insulation gel sheet comprises a heat insulation layer and a buffering structure layer, wherein the buffering structure layer is arranged on the surface of the heat insulation layer, and the buffering structure layer contains a plurality of bulges on the surface or is provided with a plurality of bulges.
2. The cushioning thermal insulating gel sheet of claim 1, wherein: the protrusions are one of continuous protrusions and discontinuous protrusions.
3. The cushioning thermal insulating gel sheet of claim 1, wherein: the protrusion is one of a spherical protrusion, a cylindrical protrusion, a hemispherical protrusion or a square protrusion.
4. The cushioning thermal insulating gel sheet of claim 1, wherein: the buffer structure layer is provided with two layers which are respectively arranged on the upper surface and the lower surface of the heat insulation layer.
5. The cushioning thermal insulating gel sheet of claim 1, wherein: when the buffer structure layer contains a plurality of bulges on the surface, the buffer structure layer is arranged on the surface of the heat insulation layer in a winding and attaching mode.
6. The cushioning thermal insulating gel sheet of claim 1, wherein: the buffer structure layer is any one of a foaming material, rubber and a plastic air bag; the foaming material is any one of foamed plastic, foamed rubber and foamed resin; the plastic air bag is prepared by taking thermoplastic resin as an outer film, inflating the interior of the plastic air bag and sealing the interior of the plastic air bag, wherein the thermoplastic resin is any one of polyethylene resin, polypropylene resin, polystyrene resin, polycarbonate resin, polyvinyl chloride resin, polyamide resin, polyformaldehyde resin and polyphenyl ether resin; the heat insulation layer is made of aerogel felt.
7. The cushioning thermal insulating gel sheet of claim 1, wherein: the buffer structure layer is a hollow structure or the interior of the buffer structure layer is filled with filler; the filler filled in the buffer structure layer is one of heat insulation filler or phase change material; the heat insulation filler is any one of titanium dioxide particles, zinc oxide particles, hollow glass microspheres, hollow silicon dioxide microspheres, hollow phenolic resin microspheres, hollow carbon microspheres and ceramic hollow microspheres; the phase change material is one of an independent phase change material or a microcapsule phase change material, the microcapsule phase change material is prepared by compounding the phase change material with an outer shell, and the phase change material is any one of paraffin, hydrated crystal salt, molten salt, fatty alcohol and fatty acid; the shell body is made of any one of phenolic resin, urea resin, melamine-formaldehyde resin, epoxy resin, polyurethane and polyimide.
8. The cushion thermal insulating gel sheet according to any one of claims 1, 4 and 5, wherein: the coating has fire-retardant dope layer around the insulating layer, fire-retardant dope layer is located between buffer structure layer and the insulating layer.
9. The cushioning thermally insulating gel sheet as claimed in claim 8, wherein: the buffer structure layer is wrapped with a protective layer, and the protective layer is tightly attached to the buffer structure layer in a protruding mode or is flatly laid on the buffer structure layer.
10. The cushioning thermally insulating gel sheet as claimed in claim 9, wherein: the flame-retardant coating layer is formed by coating flame-retardant coating; the protective layer is one of glass fiber cloth, a flame-retardant insulating film and high silica cloth; the flame-retardant insulating film is any one of a polyester flame-retardant film, a polyimide flame-retardant film, a polyoxyethylene flame-retardant film, a polycarbonate flame-retardant film, a polyethylene flame-retardant film and a polyphenylene sulfide flame-retardant film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023272798.5U CN214227007U (en) | 2020-12-30 | 2020-12-30 | Buffering heat-insulating aerogel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023272798.5U CN214227007U (en) | 2020-12-30 | 2020-12-30 | Buffering heat-insulating aerogel sheet |
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| Publication Number | Publication Date |
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| CN214227007U true CN214227007U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023272798.5U Active CN214227007U (en) | 2020-12-30 | 2020-12-30 | Buffering heat-insulating aerogel sheet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023021879A1 (en) * | 2021-08-17 | 2023-02-23 | Nok株式会社 | Battery cushioning material |
| WO2024105594A1 (en) | 2022-11-16 | 2024-05-23 | 3M Innovative Properties Company | Custom-shaped component for assembling batteries and methods for making the same |
-
2020
- 2020-12-30 CN CN202023272798.5U patent/CN214227007U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023021879A1 (en) * | 2021-08-17 | 2023-02-23 | Nok株式会社 | Battery cushioning material |
| JP7475550B2 (en) | 2021-08-17 | 2024-04-26 | Nok株式会社 | Battery cushioning |
| WO2024105594A1 (en) | 2022-11-16 | 2024-05-23 | 3M Innovative Properties Company | Custom-shaped component for assembling batteries and methods for making the same |
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