Smokeless fire blanket for cable protection
The multi-layered smokeless flame-retardant fire blanket, which combines high-temperature resistant silicone rubber and glass fiber with perfluoroethyl ketone polymer fire extinguishing material, solves the problems of flame retardancy and smoke in cable equipment fires, achieves smokeless fire extinguishing effect, and improves the safety of cable equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 浙江华神消防科技有限公司
- Filing Date
- 2025-04-29
- Publication Date
- 2026-07-24
AI Technical Summary
Existing fire blankets are not ideal for protecting cable equipment from fires, as they cannot effectively retard flames and may produce smoke, posing a safety hazard.
The smokeless flame-retardant fire blanket adopts a multi-layer structure, including an outer layer, a middle layer, and an inner layer. The outer layer is made of high-temperature resistant silicone rubber, the middle layer is woven from glass fiber, and the inner layer is coated with perfluoroethyl ketone polymer fire extinguishing material. They are connected by Velcro to form a high-strength composite protective layer that can quickly suppress open flames and release fire extinguishing particles in the event of a fire.
It achieves smokeless flame retardant fire extinguishing of cable equipment, avoids smoke generated by combustion, and improves the safety and fire resistance of cable equipment.
Smart Images

Figure CN224540846U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire protection facilities, and in particular to a smokeless flame-retardant fire blanket suitable for the protection of cable equipment. Background Technology
[0002] In modern society, cable equipment is widely used in various fields such as power transmission and communication. However, during operation, cable equipment is prone to fire due to overload, short circuit and other reasons. Once a cable equipment fire occurs, it will not only cause serious consequences such as power supply interruption and communication failure, but may also threaten the safety of people and property in the surrounding area.
[0003] Currently, most fire blankets on the market are mainly used for general fire suppression, but their protective effect against cable equipment fires is not ideal. In order to automatically extinguish fires when cables catch fire, it is necessary to invent a smokeless flame-retardant fire blanket suitable for cable equipment protection to meet the above requirements. Summary of the Invention
[0004] The purpose of this invention is to provide a smokeless flame-retardant fire blanket suitable for the protection of cable equipment, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a smokeless flame-retardant fire extinguishing blanket suitable for cable equipment protection, comprising a blanket body, the blanket body further comprising a surface layer, a middle layer and an inner layer, the surface layer, the middle layer and the inner layer being arranged sequentially from top to bottom, the surface layer being coated on top of the middle layer, the inner layer being coated on bottom of the middle layer, a self-adhesive layer being provided at the bottom of the inner layer, a release paper being provided at the bottom of the self-adhesive layer, and edging being sewn on both sides of the blanket body.
[0006] Preferably, the inner layer is a coating of a polymer fire extinguishing material containing perfluoroacetone.
[0007] Preferably, the intermediate layer is made of woven glass fiber.
[0008] Preferably, the surface layer is high-temperature resistant silicone rubber, and the surface layer is coated with multiple layers.
[0009] Preferably, the back of the blanket is sewn with a drawstring, the surface of the drawstring is provided with a hook and loop fastener, the bottom of the blanket is provided with a loop fastener, and the drawstring is detachably connected to the loop fastener on the blanket through the hook and loop fastener.
[0010] The technical effects and advantages of this utility model are as follows: This blanket uses glass fiber as the base material and is coated with multiple layers of organic high-temperature resistant silicone rubber, which are then tightly adhered to the surface of the glass fiber to form a high-strength composite protective layer. In addition, a polymer fire extinguishing material coating is added. When exposed to open flame, this coating can quickly undergo a thermal decomposition reaction, releasing perfluoroethyl ketone polymer fire extinguishing particles, which effectively suppress open flame and ultimately achieve the effect of flame retardant fire extinguishing. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the cross-sectional structure of the blanket body of this utility model; Figure 3 This is a schematic diagram of the back structure of the blanket body of this utility model.
[0012] In the diagram: 1. Blanket body; 2. Top layer; 3. Middle layer; 4. Inner layer; 5. Self-adhesive layer; 6. Release paper; 7. Edge binding; 8. Ties; 9. Edge binding; 10. Velcro surface. Detailed Implementation
[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0014] This utility model provides, for example Figure 1-3 The smokeless flame-retardant fire extinguishing blanket shown is suitable for cable equipment protection and includes a blanket body 1. The blanket body 1 also includes a top layer 2, a middle layer 3, and an inner layer 4. The top layer 2, the middle layer 3, and the inner layer 4 are arranged sequentially from top to bottom. The top layer 2 is coated on the top of the middle layer 3, and the inner layer 4 is coated on the bottom of the middle layer 3. A self-adhesive layer 5 is provided at the bottom of the inner layer 4. A release paper 6 is provided at the bottom of the self-adhesive layer 5. Both sides of the blanket body 1 are sewn with edging 7. The edging 7 can prevent the glass fiber from falling off.
[0015] This blanket is suitable for various types of cable systems, including power cables, communication cables, and control cables, in industrial plants, commercial buildings, residential communities, subways, tunnels, and bridges. It can also be used in other occasions requiring fire protection and heat insulation, such as the protection of pipelines and equipment. It has a wide range of applications.
[0016] The inner layer 4 is a polymer fire extinguishing material coating containing perfluoroethyl ketone (PFE). The polymer fire extinguishing material coating contains PFE high-molecular-weight fire extinguishing microparticles, which have excellent fire extinguishing, heat insulation and high temperature resistance properties. When exposed to open flame, this functional coating can quickly undergo a thermal decomposition reaction, releasing non-flammable gas and effectively reducing the local oxygen concentration, thereby achieving the effect of flame retardant fire extinguishing. When the oxygen concentration is reduced, the combustion cannot continue due to lack of oxygen. Without the continuous combustion process, there will be no smoke produced by incomplete combustion. The PFE microcapsules are mixed with solvents, film-forming substances and additives, and stirred evenly to form a fire extinguishing material coating liquid, which can be easily coated on the bottom of the middle layer 3.
[0017] The middle layer 3 is made of woven glass fiber and serves as the flame-retardant skeleton of the blanket body 1. Glass fiber has high fire resistance and will not burn or produce a lot of smoke when exposed to high temperatures. The chemical properties of glass fiber and other materials are stable and will not undergo complex chemical reactions to produce smoke components at high temperatures.
[0018] The surface layer 2 is made of high-temperature resistant silicone rubber. The surface layer 2 is coated with multiple layers. The high-temperature resistant silicone rubber is anti-aging and anti-corrosion. The multiple coatings can make the high-temperature resistant silicone rubber adhere tightly to the surface of the glass fiber, forming a high-strength composite protective layer. After the surface layer 2 is coated on the intermediate layer 3, it is also treated by a high-temperature process. The high-temperature process can significantly enhance the interfacial bonding strength between the glass fiber and the high-temperature resistant silicone rubber, thereby improving the overall mechanical properties and thermal stability of the material. The high-temperature resistant silicone rubber is mixed with solvent, curing agent, filler and additives and stirred evenly to form a silicone rubber coating liquid, so that the surface layer 2 can be easily coated on the top of the intermediate layer 3.
[0019] The back of the blanket 1 is sewn with a strap 8, the surface of the strap 8 is provided with a hook and loop fastener 9, and the bottom of the blanket 1 is provided with a hook and loop fastener 10. The strap 8 is detachably connected to the hook and loop fastener 10 on the blanket 1 through the hook and loop fastener 9. The strap 8 can not only be used to pack and fix the entire blanket 1 after production, but also to fix the blanket 1 again after it is attached to the cable, so as to prevent the blanket 1 from loosening.
[0020] Working principle of this utility model: By weaving glass fibers into glass fiber cloth, a middle layer 3 is formed. Multiple layers of high-temperature resistant silicone rubber are coated on top of the middle layer 3, and an inner layer 4 composed of a polymer fire-extinguishing material coating is coated on the bottom of the middle layer 3, thus forming a fire blanket 1. The blanket 1 is wrapped around cable sections prone to fire, such as cable joints, cable bends, areas subjected to long-term overload, areas damaged by mechanical stress, areas with aging insulation, and areas near heat sources. By coating multiple layers of organic high-temperature resistant silicone rubber, it adheres tightly to the glass fiber surface, forming a high-strength composite protective layer. Combined with the polymer fire-extinguishing material coating, when exposed to open flame, the coating rapidly undergoes a thermal decomposition reaction, releasing perfluoroethyl ketone (PFO) polymer fire-extinguishing particles, effectively suppressing open flames and ultimately achieving a flame-retardant fire extinguishing effect.
[0021] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A smokeless flame-retardant fire extinguishing blanket suitable for cable equipment protection, comprising a blanket body, characterized in that: The blanket also includes a surface layer, a middle layer, and an inner layer, arranged sequentially from top to bottom. The surface layer is coated on top of the middle layer, and the inner layer is coated on the bottom of the middle layer. A self-adhesive layer is provided at the bottom of the inner layer, and a release paper is provided at the bottom of the self-adhesive layer. Both sides of the blanket are sewn with binding. The inner layer is a high-molecular fire extinguishing material coating containing perfluoroethyl ketone. The middle layer is woven from glass fiber, and the surface layer is made of high-temperature resistant silicone rubber. The surface layer is coated with multiple layers.
2. The smokeless flame-retardant fire blanket for cable equipment protection according to claim 1, characterized in that: The back of the blanket is sewn with a drawstring, the surface of which is provided with a hook and loop fastener, and the bottom of the blanket is provided with a loop fastener. The drawstring is detachably connected to the loop fastener on the blanket via the hook and loop fastener.