CN217823033U - Composite battery box upper cover - Google Patents
Composite battery box upper cover Download PDFInfo
- Publication number
- CN217823033U CN217823033U CN202222176807.3U CN202222176807U CN217823033U CN 217823033 U CN217823033 U CN 217823033U CN 202222176807 U CN202222176807 U CN 202222176807U CN 217823033 U CN217823033 U CN 217823033U
- Authority
- CN
- China
- Prior art keywords
- upper cover
- cover body
- flame retardant
- retardant coating
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002131 composite material Substances 0.000 title claims abstract description 18
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 36
- 238000000576 coating method Methods 0.000 claims abstract description 36
- 239000003063 flame retardant Substances 0.000 claims abstract description 36
- 239000010410 layer Substances 0.000 claims description 54
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 239000012784 inorganic fiber Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims 1
- 239000007769 metal material Substances 0.000 abstract description 7
- 238000010073 coating (rubber) Methods 0.000 abstract description 4
- 230000009970 fire resistant effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009745 resin transfer moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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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- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a composite battery box upper cover, through setting up first flame retardant coating, second flame retardant coating and metallic braid, will effectively improve the whole mechanical strength of upper cover body to make it possess good fire-resistant high temperature resistance ability, the metallic braid that sets up can make the upper cover body that non-metallic material made possess the performance of separation electromagnetic interference signal, avoided the shortcoming that adopts metallic material as upper cover body raw materials simultaneously; set up the rubber coating, bond the second flame retardant coating to the upper cover body on, possess better stability, simultaneously for other fixed modes, can make the second flame retardant coating combine more inseparabler with the upper cover body, avoid second flame retardant coating and upper cover body to produce wearing and tearing each other and collision in the use.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a composite battery case upper cover.
Background
The battery box is a battery pack consisting of a plurality of single batteries, a box body, a battery management system, relevant installation structural parts and the like, and is provided with a battery box structure, battery box monitoring equipment, a battery box connector, battery box environmental control equipment and the like which meet the standard.
At present, the granted publication No. CN103718332B "lid for battery box" discloses a lid for battery box made of metal plate, in the prior art, although iron is fire-proof, its weight is large and affects the whole weight of battery box, while aluminum is small and its high temperature resistant effect is poor, and the upper lid made of SMC, PCM and other materials does not have the capability of shielding electromagnetic signals.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a composite battery case upper cover, it adopts SMC or PCM material to make to through addding first flame retardant coating, metallic braid and second flame retardant coating, make it possess better fire prevention high temperature resistance and shielding electromagnetic signal interference's ability, and improve the bulk strength of upper cover.
The technical scheme of the utility model is realized like this: the utility model provides an upper cover of a composite battery box, which comprises an upper cover body, wherein,
the upper cover body is made of SMC or PCM;
also comprises a first fireproof layer, a metal braid and a second fireproof layer, wherein,
the first fireproof layer covers the inner side wall of the upper cover body;
the second fireproof layer is arranged between the upper cover body and the first fireproof layer;
the metal braid layer is arranged between the first fireproof layer and the second fireproof layer and used for supporting the first fireproof layer and the second fireproof layer and shielding interference signals.
On the basis of the above technical scheme, preferably, the first fireproof layer and the second fireproof layer are both made of inorganic fibers.
Further preferably, the first fireproof layer and the second fireproof layer are both made of carbon fibers.
On the basis of the above technical scheme, preferably, the metal woven layer is a wire mesh.
On the basis of the above technical solution, preferably, the second fireproof layer is fixed by gluing through a glue coating layer.
Further preferably, the rubber coating layer is polyurethane structural rubber.
The utility model discloses a composite battery case upper cover has following beneficial effect for prior art:
(1) The first fireproof layer, the second fireproof layer and the metal woven layer are arranged, so that the overall mechanical strength of the upper cover body is effectively improved, the upper cover body has good fire resistance and high temperature resistance, the arranged metal woven layer can enable the upper cover body made of non-metal materials to have the performance of blocking electromagnetic interference signals, and meanwhile, the defect that metal materials are adopted as raw materials of the upper cover body is overcome;
(2) Set up the rubber coating, bond the second flame retardant coating to the upper cover body on, possess better stability, simultaneously for other fixed modes, can make the second flame retardant coating combine more inseparabler with the upper cover body, avoid second flame retardant coating and upper cover body to produce wearing and tearing each other and collision in the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic partial cross-sectional view of the upper cover of the composite battery box of the present invention;
fig. 2 is a perspective view of the upper cover body of the upper cover of the composite battery box of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 all belong to the protection scope of the present invention.
As shown in fig. 1-2, the composite battery box upper cover of the present invention comprises an upper cover body 1, a first fireproof layer 2, a metal braid layer 3 and a second fireproof layer 4.
The upper cover body 1 is made of SMC or PCM, the SMC is a composite material, belongs to one of glass fiber reinforced plastics, and has very excellent performance characteristics, and in practical application, the material is taken as a common part, has absolute sealing and waterproof performance, corrosion resistance, electricity stealing prevention performance and electric insulation performance, is attractive in appearance and long in service life, and besides, the SMC material also has excellent performances such as mechanical performance, thermal stability, chemical resistance and corrosion resistance; the PCM is formed by mixing polycarbonate and organic glass, is a novel composite material, has better performance than that of a single body of the polycarbonate and the organic glass, is a phase-change material, can change the physical state of the PCM along with the change of external temperature, is widely applied in China, and becomes a common material for the upper cover body 1 except for metal materials in the actual production of SMC and PCM.
It should be noted that the upper lid body 1 may also be produced and formed by an HP-RTM process, that is, a high-pressure resin transfer molding process, in which resin is subjected to a high-pressure counter-impact mixing and injected into a vacuum closed mold in which a fiber reinforcement material and a preset insert are previously laid, and the upper lid body 1 is obtained by resin flow filling, impregnation, curing and demolding.
First flame retardant coating 2 and second flame retardant coating 4 all adopt fire-resistant fiber material, on first flame retardant coating 2 covers the inside wall of upper cover body 1, second flame retardant coating 4 sets up between first flame retardant coating 2 and upper cover body 1, first flame retardant coating 2 adopts range upon range of setting with second flame retardant coating 4, possesses good high temperature resistance and mechanical properties, first flame retardant coating 2 can adopt same material with second flame retardant coating 4, also can adopt different materials.
As a preferred embodiment, the first fireproof layer 2 and the second fireproof layer 4 are both made of inorganic fibers, the inorganic fibers generally have super-strong hardness, strength and low density, the first fireproof layer 2 and the second fireproof layer 4 are formed by covering the inorganic fibers, so that the strength and temperature resistance of the upper cover body 1 are improved, in the actual production process, the inorganic fibers are soaked by resin and are molded together with the metal woven layer 3, so that the integral shaping is completed, and the first fireproof layer 2 and the second fireproof layer 4 are formed outside the metal woven layer 3.
Specifically, first flame retardant coating 2 and second flame retardant coating 4 are the carbon fiber, carbon fiber material is inorganic fiber's one kind, the carbon fiber mainly comprises carbon element, have high temperature resistant, antifriction, characteristics such as heat conduction and corrosion resistance, the appearance is fibrous, soft, various fabrics can be processed into, because its graphite microcrystalline structure is along fibre axle preferred orientation, consequently, there are very high intensity and modulus along fibre axle direction, regard as first flame retardant coating 2 and second flame retardant coating 4 with the carbon fiber, can make the bulk strength of upper cover body 1 show and improve, and avoid additional great weight, utilize characteristics such as high temperature resistant of carbon fiber simultaneously, effectively improve performances such as the holistic fire resistance of upper cover body 1.
As a preferred embodiment, the metal braid 3 is a wire mesh, the woven mesh formed by using iron wires has good physical properties, the strength is stronger than that of a copper wire mesh or an aluminum wire mesh, the production cost is lower, the support for the first fireproof layer 2 and the second fireproof layer 4 has better stability, and the electromagnetic shielding performance is poorer than that of the copper wire mesh or the aluminum wire mesh, but the metal braid is completely applicable to the battery box.
As a preferred embodiment, the second fireproof layer 4 is fixed by gluing through the gluing layer 5, in a specific processing process, firstly, glue is coated on the inner side wall of the upper cover body 1 to form the gluing layer 5, and then the first fireproof layer 2, the second fireproof layer 4 and the metal woven layer 3 which are subjected to compression molding are fixed into the upper cover body 1 through the gluing layer 5.
Specifically, the rubber coating 5 is the polyurethane structure glue, and it can replace forms such as bolt, rivet or welding to be used for joining the structural component such as metal, plastics, glass and timber, can stand heavy load for a long time, glues through the polyurethane structure and bonds second flame retardant coating 4 to upper cover body 1 on, possesses better stability, and simultaneously for other fixed mode, can make second flame retardant coating 4 and upper cover body 1 combine more closely, avoids second flame retardant coating 4 and upper cover body 1 to produce mutual wearing and tearing and collision in the use.
The utility model discloses a theory of operation does: make first flame retardant coating 2 through the mode of mould pressing, metallic braid 3 and the shaping of second flame retardant coating 4, and fix its whole inside wall with upper cover body 1, after fixed, the whole mechanical strength that upper cover body 1 will effectively be improved to the whole that the mould pressing formed, and possess good fire-resistant high temperature resistance, wherein, the metallic braid 3 of setting, upper cover body 1 that can make non-metallic material make possesses separation electromagnetic interference signal's performance, the shortcoming of adopting metallic material as upper cover body 1 raw materials has been avoided simultaneously.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A composite battery box upper cover comprises an upper cover body (1), wherein,
the upper cover body (1) is made of SMC or PCM;
the method is characterized in that: also comprises a first fireproof layer (2), a metal braid layer (3) and a second fireproof layer (4), wherein,
the first fireproof layer (2) covers the inner side wall of the upper cover body (1);
the second fireproof layer (4) is arranged between the upper cover body (1) and the first fireproof layer (2);
metal braiding layer (3), set up between first flame retardant coating (2) and second flame retardant coating (4) for support first flame retardant coating (2) and second flame retardant coating (4), and shield interference signal.
2. The composite battery box upper cover according to claim 1, characterized in that: the first fireproof layer (2) and the second fireproof layer (4) are both inorganic fibers.
3. The composite battery box upper cover according to claim 2, characterized in that: the first fireproof layer (2) and the second fireproof layer (4) are both made of carbon fibers.
4. The composite battery box upper cover according to claim 1, characterized in that: the metal braided layer (3) is a wire mesh.
5. The composite battery box upper cover according to claim 1, characterized in that: the second fireproof layer (4) is fixedly bonded through the gluing layer (5).
6. The composite battery box upper cover according to claim 5, characterized in that: the glue coating layer (5) is polyurethane structural glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176807.3U CN217823033U (en) | 2022-08-17 | 2022-08-17 | Composite battery box upper cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176807.3U CN217823033U (en) | 2022-08-17 | 2022-08-17 | Composite battery box upper cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217823033U true CN217823033U (en) | 2022-11-15 |
Family
ID=83976619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222176807.3U Active CN217823033U (en) | 2022-08-17 | 2022-08-17 | Composite battery box upper cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217823033U (en) |
-
2022
- 2022-08-17 CN CN202222176807.3U patent/CN217823033U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |