Fireproof flame-retardant film for motor vehicle

By designing a combined structure of contact mechanism and flame-retardant mechanism in electric vehicles, the problem of easy peeling and aging of flame-retardant film has been solved, achieving better flame-retardant performance and extended service life.

CN223561515UActive Publication Date: 2025-11-18JIANGSU ZHONG XIN RUI OPTICAL MATERIAL CO LTD
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Patent Information

Application Number
CN202423100839.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-18
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing flame-retardant films are prone to peeling and aging in electric vehicles, leading to safety hazards. They are also easily damaged during use and have a short service life.

Method used

A fire-retardant membrane for motor vehicles has been designed, comprising a contact mechanism and a flame-retardant mechanism. It utilizes a combination structure of an adhesive layer, a flame-retardant layer, a corrosion-resistant layer, a base layer, and a protective layer, and improves adhesion, flame retardancy, and corrosion resistance by setting contact particles and connecting fibers.

Benefits of technology

It effectively improves the flame retardant properties, corrosion resistance and overall service life of the flame retardant film, enhances its adhesion to the battery pack and engine compartment, avoids excessive temperature rise and damage, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The fireproof flame-retardant film comprises a contact mechanism and a flame-retardant mechanism, the flame-retardant mechanism is arranged at the bottom end of the contact mechanism, the contact mechanism comprises a bonding layer, a plurality of contact particles are arranged at the top end of the bonding layer in a rectangular array mode, and the flame-retardant mechanism comprises a flame-retardant layer. The bottom end of the flame-retardant layer is fixedly connected with a corrosion-resistant layer, the bottom end of the corrosion-resistant layer is fixedly connected with a base layer, the inner side walls of the multiple mounting holes are fixedly connected with connecting fibers respectively, the bottom end of the base layer is fixedly connected with a protective layer, and the top end of the flame-retardant layer is fixedly connected with the bottom end of a bonding layer. According to the fireproof flame-retardant film for the motor vehicle, due to the fact that the contact mechanism is arranged, temperature is effectively isolated, too fast temperature rise is avoided, due to the fact that the flame-retardant mechanism is arranged, damage in the using process is avoided, and the service life of the whole fireproof flame-retardant film is effectively prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fireproof flame-retardant film for motor vehicle. BACKGROUND

[0002] In recent years, with the rapid development of new energy vehicles, the safety problem of electric vehicles has also been widely concerned. Among them, the safety performance of lithium ion battery is particularly questioned, and the spontaneous combustion of electric vehicles has become the current social focus. Unlike ordinary fuel automobile spontaneous combustion, once the lithium ion battery of electric vehicle catches fire, a series of reactions occur inside the battery, which can produce high temperature of thousands of degrees, only professional fire fighting equipment can extinguish it, ordinary people cannot extinguish it by themselves.

[0003] Although the prior art improves the safety of the workpiece during operation by setting the flame-retardant film on the outside of the battery pack and the engine compartment, the flame-retardant film is prone to fall off and age during long-term use, thereby causing certain safety hazards during use. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a fireproof flame-retardant film for motor vehicle, which effectively isolates temperature and avoids rapid temperature rise by setting a contact mechanism, effectively improves the service life of the fireproof flame-retardant film as a whole by setting a flame-retardant mechanism to avoid damage during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] Some embodiments of the utility model provide a fireproof flame-retardant film for motor vehicle, which comprises a contact mechanism and a flame-retardant mechanism, the flame-retardant mechanism is arranged at the bottom end of the contact mechanism, the contact mechanism comprises an adhesive layer, the top end of the adhesive layer is provided with a plurality of contact particles in a rectangular array, the flame-retardant mechanism comprises a flame-retardant layer, the bottom end of the flame-retardant layer is fixedly connected with a corrosion-resistant layer, the bottom end of the corrosion-resistant layer is fixedly connected with a base layer, the top end of the flame-retardant layer is provided with a plurality of mounting holes in a rectangular array, the inner walls of the mounting holes are fixedly connected with connecting fibers respectively, the bottom end of the base layer is fixedly connected with a protective layer, and the top end of the flame-retardant layer is fixedly connected with the bottom end of the adhesive layer.

[0007] In the utility model, the flame-retardant layer and the flame-retardant layer in the flame-retardant mechanism can effectively improve the flame-retardant performance of the fireproof flame-retardant film, and make the fireproof flame-retardant film as a whole more corrosion-resistant, avoid damage during use, and effectively improve the service life of the fireproof flame-retardant film as a whole.

[0008] In one embodiment, the mounting holes sequentially penetrate the top end surfaces of the flame-retardant layer, the corrosion-resistant layer and the base layer, so as to effectively improve the overall combination strength of the flame-retardant film.

[0009] In one embodiment, the top ends of the plurality of connecting fibers are fixedly connected to the bottom end of the adhesive layer, and the bottom ends of the plurality of connecting fibers are fixedly connected to the top end of the protective layer.

[0010] By the above technical solution, the plurality of connecting fibers are arranged in the flame-retardant mechanism, the adhesive layer and the protective layer are connected by the connecting fibers, the tensile strength of the overall fireproof flame-retardant film is improved, the connecting strength between the multiple layers is improved, the combination strength is improved, and the use effect of the flame-retardant film is effectively improved.

[0011] In one embodiment, the adhesive layer comprises a polypropylene layer, and the plurality of contact particles comprise PVC nanoparticles, wherein the polypropylene layer can make the adhesive layer have good adhesion with the surface of the battery pack and the engine compartment, and the contact particles can form fine bubbles between the workpiece and the adhesive layer, effectively insulate the temperature, and avoid rapid temperature rise.

[0012] Further, the thickness of the polypropylene layer is preferably 50-200 microns, and the contact particles comprise PVC nanoparticles with a particle size of 1-30 microns.

[0013] In one embodiment, the flame-retardant layer comprises a ceramifiable silicone rubber layer, which can effectively improve the overall flame-retardant effect of the fireproof flame-retardant film. Further, the thickness of the ceramifiable silicone rubber layer is preferably 50-300 microns.

[0014] In one embodiment, the corrosion-resistant layer comprises an anti-corrosion nano coating, which can effectively improve the service life of the overall fireproof flame-retardant film. Further, the thickness of the anti-corrosion nano coating is preferably 0.3-50 microns.

[0015] In one embodiment, the base layer comprises a polyester fiber layer, which can effectively improve the overall structural strength of the flame-retardant film. Further, the thickness of the polyester fiber layer is preferably 100-500 microns.

[0016] In one embodiment, the protective layer comprises a metal aluminum layer, which can prevent water vapor from penetrating and maintain the internal environment of the battery pack and the engine compartment. Further, the thickness of the metal aluminum layer is preferably 10-50 microns.

[0017] In one embodiment, the thickness of the fireproof flame-retardant film is 1-5 millimeters.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model discloses a contact mechanism is set up, and the contact particle is set up at the top of the adhesive layer, and the adhesive layer is pasted with the workpiece shell, and the adhesive layer includes the polypropylene layer, so that the adhesive layer can be with the battery group.

[0020] The utility model discloses a fire -retardant mechanism is set up, and the fire -retardant layer and fire -retardant layer are set up, and effectively improve the fire -retardant performance of fire -retardant film, and make the fire -retardant film whole more corrosion -resistant, avoid the damage in the use process, effectively improve the service life of fire -retardant film whole.

[0021] The utility model discloses a fire -retardant mechanism is set up, and the fire -retardant layer and fire -retardant layer are set up, and effectively improve the fire -retardant performance of fire -retardant film, and make the fire -retardant film whole more corrosion -resistant, avoid the damage in the use process, effectively improve the service life of fire -retardant film whole. DRAWINGS

[0022] Figure 1 A kind of fire -retardant film for motor vehicle is provided for the utility model one embodiment;

[0023] Figure 2 A kind of fire -retardant film for motor vehicle is provided for the utility model one embodiment;

[0024] Figure 3 A kind of fire -retardant film for motor vehicle is provided for the utility model one embodiment;

[0025] Figure 4 A kind of fire -retardant film for motor vehicle is provided for the utility model one embodiment.

[0026] Reference signs explanation:1, contact mechanism;101, adhesive layer;102, contact particle;2, fire -retardant mechanism;201, connecting fiber;202, mounting hole;203, fire -retardant layer;204, corrosion -resistant layer;205, base layer;3, protective layer. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0028] Reference Figures 1-4The fireproof and flame-retardant film for a motor vehicle provided in the embodiment comprises a contact mechanism 1 and a flame-retardant mechanism 2. The flame-retardant mechanism 2 is arranged at the bottom end of the contact mechanism 1. The contact mechanism 1 comprises an adhesive layer 101. The top end of the adhesive layer 101 is provided with a plurality of contact particles 102 in a rectangular array. The flame-retardant mechanism 2 comprises a flame-retardant layer 203. The bottom end of the flame-retardant layer 203 is fixedly connected with a corrosion-resistant layer 204. The bottom end of the corrosion-resistant layer 204 is fixedly connected with a base layer 205. The top end of the flame-retardant layer 203 is provided with a plurality of mounting holes 202 in a rectangular array. The inner side walls of the plurality of mounting holes 202 are respectively fixedly connected with connecting fibers 201. The bottom end of the base layer 205 is fixedly connected with a protective layer 3. The top end of the flame-retardant layer 203 is fixedly connected with the bottom end of the adhesive layer 101. By arranging the contact mechanism 1, the contact particles 102 are arranged at the top end of the adhesive layer 101. The adhesive layer 101 is attached to the workpiece shell. The adhesive layer 101 comprises a polypropylene layer. Therefore, the adhesive layer 101 can be attached to the surface of the battery pack and the engine compartment. At the same time, the contact particles 102 can form fine bubbles between the workpiece and the adhesive layer 101. The temperature is effectively insulated, and the temperature rise is effectively prevented.

[0029] The plurality of mounting holes 202 sequentially penetrate the top end faces of the flame-retardant layer 203, the corrosion-resistant layer 204 and the base layer 205. The top ends of the plurality of connecting fibers 201 are fixedly connected with the bottom end of the adhesive layer 101. The bottom ends of the plurality of connecting fibers 201 are fixedly connected with the top end of the protective layer 3. The adhesive layer 101 comprises a polypropylene layer. The plurality of contact particles 102 are PVC nanoparticles. The flame-retardant layer 203 comprises a ceramicizable silicone rubber layer. The corrosion-resistant layer 204 comprises an anti-corrosion nano coating layer. The base layer 205 comprises a polyester fiber layer. The protective layer 3 comprises a metal aluminum layer. The plurality of connecting fibers 201 are arranged in the flame-retardant mechanism 2. The connecting fibers 201 connect the adhesive layer 101 and the protective layer 3. The overall tensile strength of the fireproof and flame-retardant film is improved. The connection strength between the multiple layers is improved. The combination strength is improved. The use effect of the flame-retardant film is effectively improved.

[0030] In the embodiment, the thickness of the fireproof and flame-retardant film can be 1-5 mm, preferably 1-3 mm. The thickness of the adhesive layer 101 is 50-200 microns. The contact particles 102 are PVC nanoparticles with a particle size of 1-30 microns. The thickness of the flame-retardant layer is 50-300 microns. The thickness of the corrosion-resistant layer 204 is 0.3-50 microns. The thickness of the base layer 205 is 100-1000 microns. The thickness of the protective layer 3 is 10-50 microns.

[0031] The fireproof flame-retardant film of the embodiment is provided with the contact mechanism 1, the contact particles 102 are arranged at the top end of the adhesive layer 101, the adhesive layer 101 is attached to the workpiece shell, the adhesive layer 101 comprises a polypropylene layer, so that the adhesive layer 101 can be well attached to the surface of the battery pack or the engine compartment of the automobile, meanwhile, the contact particles 102 can form fine bubbles between the workpiece and the adhesive layer 101, effectively insulate the temperature and avoid rapid temperature rise, the flame-retardant mechanism 2 is arranged, the flame-retardant layer 203 and the flame-retardant layer 203 are arranged, the flame-retardant performance of the fireproof flame-retardant film is effectively improved, meanwhile, the fireproof flame-retardant film is more corrosion-resistant as a whole, damage in use is avoided, the service life of the fireproof flame-retardant film as a whole is effectively improved, a plurality of connecting fibers 201 are arranged in the flame-retardant mechanism 2, the adhesive layer 101 and the protective layer 3 are connected by the connecting fibers 201, the tensile strength of the fireproof flame-retardant film as a whole can be improved, the connecting strength between the multiple layers can be improved, the combination strength is improved, and the use effect of the flame-retardant film is effectively improved.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A fire-retardant film for motor vehicles, characterized in that, It includes contact mechanism (1) and fire -retardant mechanism (2), fire -retardant mechanism (2) is arranged at the bottom end of contact mechanism (1), contact mechanism (1) includes adhesive layer (101), the top of adhesive layer (101) is rectangular array with multiple contact particles (102), fire -retardant mechanism (2) includes fire -retardant layer (203), the bottom end of fire -retardant layer (203) is fixedly connected with corrosion -resistant layer (204), the bottom end of corrosion -resistant layer (204) is fixedly connected with base layer (205), the top of fire -retardant layer (203) is rectangular array with multiple mounting holes (202), the inner side wall of multiple mounting holes (202) is fixedly connected with connecting fiber (201) respectively, the bottom end of base layer (205) is fixedly connected with protective layer (3), the top of fire -retardant layer (203) is fixedly connected with the bottom end of adhesive layer (101).

2. A fire retardant film for motor vehicles according to claim 1, characterized in that: Multiple mounting holes (202) sequentially penetrate fire -retardant layer (203), corrosion -resistant layer (204) and the upper end surface of base layer (205).

3. A fire retardant film for motor vehicles according to claim 1, characterized in that: The top of multiple connecting fibers (201) is fixedly connected with the bottom end of adhesive layer (101), and the bottom end of multiple connecting fibers (201) is fixedly connected with the top of protective layer (3).

4. A fire retardant film for motor vehicles according to claim 1, characterized in that: The adhesive layer (101) includes a polypropylene layer with a thickness of 50-200 microns, and the contact particles (102) include PVC nanoparticles with a particle size of 1-30 microns.

5. A fire retardant film for motor vehicles according to claim 1, characterized in that: The fire -retardant layer (203) includes a ceramicizable silicone rubber layer with a thickness of 50-300 microns.

6. A fire retardant film for motor vehicles according to claim 1, characterized in that: The corrosion -resistant layer (204) includes an anti -corrosion nanometer coating with a thickness of 0.3-50 microns.

7. A fire retardant film for automotive use according to claim 1, wherein: The base layer (205) includes a polyester fiber layer with a thickness of 100-1000 microns.

8. A fire retardant film for automotive use according to claim 1, wherein: The protective layer (3) includes a metal aluminum layer with a thickness of 10-50 microns.

9. A fire retardant film for automotive applications according to claim 1, wherein: The thickness of the fire -retardant film is 1-5 millimeters.

10. A fire retardant film for motor vehicles according to claim 1, characterized in that: The fire -retardant film is arranged on the battery pack or engine compartment of the motor vehicle.