CN218923627U

CN218923627U - Fire extinguishing adhesive tape

Info

Publication number: CN218923627U
Application number: CN202222388759.4U
Authority: CN
Inventors: 魏晋武
Original assignee: Xi'an Suntech Safety Technology Co ltd
Current assignee: Xi'an Suntech Safety Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-04-28
Anticipated expiration: 2032-09-08

Abstract

The utility model relates to the technical field of fire extinguishment, in particular to a fire extinguishment adhesive tape, which comprises an adhesive layer, a fire extinguishing layer and a base material layer which are sequentially arranged from inside to outside, wherein a heat shrinkage cavity is arranged in the fire extinguishing layer, and a fire extinguishing medium is arranged in the heat shrinkage cavity; the fire extinguishing layer is arranged in the adhesive tape, the heat shrinkage cavity in the fire extinguishing layer is shrunk after meeting heat to spray the fire extinguishing medium in the fire extinguishing layer, so that the fire extinguishing effect on initial fire near the fire extinguishing adhesive tape is realized, the fire extinguishing function after the fire is started at the carrier position of the fire extinguishing adhesive tape and the fire extinguishing function after the fire is started at the position near the fire extinguishing adhesive tape are achieved, and the active fire extinguishing function is realized.

Description

Fire extinguishing adhesive tape

Technical Field

The utility model relates to the technical field of fire extinguishment, in particular to a fire extinguishment adhesive tape.

Background

Along with the social development, the life level of people is gradually improved, the requirements of power equipment are also gradually increased, the load of electric wires and electric appliances is also increasingly larger, fire accidents are also gradually frequent, people can arrange a device in a machine room generally, but the fire monitoring difficulty is high, irrecoverable damage to equipment is often caused when fire is found out, and if a fire early warning system is arranged for finding and positioning a fire point, the cost is often too high.

The fire extinguishing adhesive tape is generally wrapped on the outer surface of the electric wire and the electric wire connection position, the existing fire extinguishing adhesive tape is generally paved with fire retardant materials such as dry powder fire extinguishing agent or mica and the like on the adhesive glue, the fire retardant effect can only be achieved, the fire retardant purpose is achieved by only arranging the fire extinguishing agent in the fire extinguishing layer, the carrier at the electric wire position of the wrapped fire extinguishing adhesive tape is prevented from being ignited to retard fire, but the ignition point adjacent to the carrier cannot achieve primary fire extinguishing, the main reason is that the fire extinguishing agent or the mica is required to achieve the fire extinguishing purpose, the spraying power device is generally arranged, the fire extinguishing adhesive tape belongs to pressure storage fire extinguishing agent, namely no spraying power source can not release the fire extinguishing agent, therefore, the fire retardant effect can only be achieved at the position directly contacted with the fire extinguishing agent, and the spark is prevented from expanding. However, for the ignition points adjacent to the periphery, active fire extinguishing cannot be realized in early stages, but in the practical application environment, not all the easy ignition points can be covered by the adhesive tape, so that the application of the common fire extinguishing adhesive tape is limited in the application place of a closed electric appliance or an electrician, the purpose of active fire extinguishing cannot be realized, the effective fire extinguishing effect cannot be always achieved when the ignition point is not on an electric wire, and the practical use requirement cannot be met.

Disclosure of Invention

The utility model aims to provide a fire extinguishing adhesive tape, which solves the problem that the existing fire extinguishing adhesive tape can not actively extinguish fire.

The technical problem of the utility model is as follows:

the fire extinguishing adhesive tape is characterized by comprising an adhesive layer, a fire extinguishing layer and a base material layer which are sequentially arranged from inside to outside, wherein a heat shrinkage cavity is arranged in the fire extinguishing layer, and fire extinguishing medium is filled in the heat shrinkage cavity.

Further defined, the bottom of the adhesive layer is provided with a release film layer.

Further defined, the substrate layer is provided with a flame retardant layer on the outside.

Further defined, a barrier layer is disposed between the substrate layer and the flame retardant layer.

Further defined, the substrate layer is a nonwoven layer, a flocked fabric layer, a polyester fabric layer, or a velvet layer.

Further defined, the thickness of the substrate layer is 0.1 to 3mm.

Further defined, the fire extinguishing layer has a thickness of 0.1 to 4mm.

Further defined, the heat-shrinkable cavity comprises a heat-shrinkable cavity and a liquid fire-extinguishing body filled in the heat-shrinkable cavity.

Further defined, the heat shrink cavity is of a cylindrical structure, a spherical structure and/or a prismatic structure.

Further limited, the heat shrinkage cavity in the fire extinguishing layer is provided with a plurality of layers, the heat shrinkage cavity with the same layer is arranged at intervals, and the heat shrinkage cavities with the plurality of layers are sequentially arranged from top to bottom.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the fire extinguishing layer is arranged in the adhesive tape, and the heat shrinkage cavity in the fire extinguishing layer is shrunk after being heated to spray the fire extinguishing medium in the heat shrinkage cavity, so that the fire extinguishing effect on initial fire near the fire extinguishing adhesive tape is realized, the fire extinguishing function after the fire is started at the position of the carrier of the fire extinguishing adhesive tape and the fire extinguishing function after the fire is started at the position near the fire extinguishing adhesive tape are realized, and the active fire extinguishing function is realized.

2. The shrink of pyrocondensation chamber can be when receiving the high temperature shrink realization is to the extrusion compression of inside liquid fire-extinguishing body, and liquid fire-extinguishing body is expanded vaporization when receiving the high temperature simultaneously, and when the pyrocondensation chamber breaks down under the effect of pyrocondensation chamber and liquid fire-extinguishing body, the fire extinguishing medium after the gasification sprays in the air near the sticky tape of putting out a fire, can realize fire-retardant effect when not meetting the open flame, can realize the effect of putting out a fire when meeting the open flame, satisfies the user demand.

3. Through setting up one deck or multilayer pyrocondensation cavity in the layer of putting out a fire, the interval sets up between the pyrocondensation cavity in every layer, can not be hindered by adjacent pyrocondensation cavity when guaranteeing to fire extinguishing medium to guarantee the effective injection of fire extinguishing medium, further improve fire-retardant and put out a fire the effect.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the fire extinguishing adhesive tape of the present utility model;

FIG. 2 is a schematic view of the structure of the fire extinguishing layer;

in the figure, a 1-release film layer; 2-an adhesive layer; 3-a fire extinguishing layer; 30-a heat shrinkage cavity; 30 a-a heat shrinkage cavity; 30 b-a liquid extinguishing body; 4-a flame retardant layer; a 5-substrate layer; 6-shielding layer.

Detailed Description

Example 1

Referring to fig. 1, the embodiment provides a fire extinguishing adhesive tape, which comprises an adhesive layer 2, a fire extinguishing layer 3 and a substrate layer 5 which are sequentially arranged from inside to outside; the base material layer 5 can be selected from a non-woven fabric layer, a flocking cloth layer, a polyester cloth layer or a velvet layer, preferably a flocking cloth layer, so that the fire extinguishing adhesive tape can be wound on an irregular object and tightly attached, and the surface of the base material layer 5 is coated with a flame retardant material, so that the flame retardant effect is improved, and the thickness of the base material layer 5 is preferably 0.1-1 mm, preferably 0.1mm; the adhesive layer 2 is used for firmly adhering the fire-extinguishing adhesive tape to the position where fire is required to be extinguished, so that the problem of unsatisfactory fire-extinguishing effect caused by falling of the fire-extinguishing adhesive tape is avoided, and the reliability of fire extinguishment is ensured; be provided with pyrocondensation cavity 30 in the layer 3 that catches fire, pyrocondensation cavity 30 shrink when being heated for the inside fire extinguishing medium of pyrocondensation cavity 30 can spray in the outer space of fire extinguishing adhesive tape under the extrusion effect of pyrocondensation cavity 30, and the substrate layer on selection flocking cloth layer can utilize the characteristics assurance gaseous fire extinguishing medium of flocking cloth material to diffuse fully, increases the fire extinguishing effect.

In order to further avoid the pyrocondensation cavity 30 in the fire extinguishing layer 3 to be destroyed when two-layer fire extinguishing adhesive tape separates, the preferred fire extinguishing adhesive tape still includes from type rete 1, from type rete 1 setting in the bottom of bonding glue film 2, the setting is used for avoiding the fire extinguishing adhesive tape when the winding encapsulation is used, bonding between the bonding glue film 2 of outer lane fire extinguishing adhesive tape and the substrate layer 5 of inner circle is too firm, and then the bonding glue film 2 of outer lane destroy the structure of fire extinguishing layer 3 when the fire extinguishing adhesive tape of outer lane and inner circle is separated and reduce the fire extinguishing effect, realize the stable and reliable of fire extinguishing adhesive tape structure, the stable in structure of protection fire extinguishing layer 3.

In order to improve the flame-retardant effect of the fire-extinguishing adhesive tape, the fire-extinguishing adhesive tape further preferably comprises a flame-retardant layer 4, wherein the flame-retardant layer 4 is arranged between the base material layer 5 and the fire-extinguishing layer 3, and the flame-retardant layer 4 is made of glass fiber cloth, asbestos cloth or polyester cloth, and has the thickness of 0.1-1 mm.

In order to improve the effect of signal shielding when the fire extinguishing tape performs fire extinguishing protection on the signal line, it is further preferable that the fire extinguishing tape further comprises a shielding layer 6, and the shielding layer 6 is arranged on the outer side of the base material layer 5.

Specifically, referring to fig. 2, the heat shrinkage cavity 30 includes a heat shrinkage cavity 30a and a liquid fire extinguishing body 30b, wherein the heat shrinkage cavity 30a is made of PP pipe or PE pipe or PVC pipe or PET pipe or silicone rubber pipe, so that the heat shrinkage cavity 30a shrinks after being heated, thereby being capable of extruding the inner space; the liquid fire-extinguishing body 30b can be selected from any one or a plurality of combinations of liquid form of perfluoro-hexanone, 1, 2-dibromotetrafluoroethane, perfluoro-heptane and tetrachloromethane, and perfluoro-hexanone is preferred, so that the liquid fire-extinguishing body 30b is gasified and expanded in volume after being heated, thereby being capable of accelerating the cracking of the heat shrinkage cavity 30a, improving the fire-extinguishing reaction speed, simultaneously increasing the impact force released by the fire-extinguishing medium, fully releasing the fire-extinguishing medium, effectively realizing the flame retardance and extinction of the flame at the initial stage of fire, guaranteeing property safety and improving the stability and reliability of the fire-extinguishing adhesive tape.

The structure of the heat shrinkage cavity 30 may be selected from a cylinder structure, a sphere structure and/or a prism structure, and in order to reduce the manufacturing cost, the structure of the heat shrinkage cavity 30 is preferably a sphere structure; the heat shrinkage cavity 30 in the fire extinguishing layer 3 can be provided with one layer or a plurality of layers, and is preferably provided with a plurality of layers, so that the release amount of the fire extinguishing medium is improved, and the fire extinguishing effect is ensured; the heat shrinkage cavities 30 of the multiple layers are sequentially paved from top to bottom, the heat shrinkage cavities 30 of each layer are arranged at intervals, when the heat shrinkage cavities 30 are heated to spray the fire extinguishing medium, the gaseous fire extinguishing medium can be released to the outside along the gaps in the fire extinguishing layer 3, the fire extinguishing medium is prevented from being blocked by the adjacent heat shrinkage cavities 30 in the spraying process, the release effect of the fire extinguishing medium is improved, and the fire extinguishing effect is improved.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. The fire extinguishing adhesive tape is characterized by comprising an adhesive layer (2), a fire extinguishing layer (3) and a base material layer (5) which are sequentially arranged from inside to outside, wherein a heat shrinkage cavity (30) is arranged in the fire extinguishing layer (3), and fire extinguishing medium is filled in the heat shrinkage cavity (30);

the heat-shrinkable cavity (30) comprises a heat-shrinkable cavity (30 a) and a liquid fire-extinguishing body (30 b) filled in the heat-shrinkable cavity (30 a);

the fire extinguishing layer (3) is characterized in that a plurality of layers of heat shrinkage cavities (30) are arranged at intervals, the same layers of heat shrinkage cavities (30) are arranged at intervals, and the plurality of layers of heat shrinkage cavities (30) are sequentially arranged from top to bottom.

2. Fire extinguishing adhesive tape according to claim 1, characterized in that the bottom of the adhesive layer (2) is provided with a release film layer (1).

3. Fire extinguishing tape according to claim 2, characterized in that a flame retardant layer (4) is arranged between the substrate layer (5) and the fire extinguishing layer (3).

4. A fire extinguishing tape according to claim 3, characterized in that the outside of the substrate layer (5) is provided with a shielding layer (6).

5. Fire extinguishing adhesive tape according to claim 4, characterized in that the substrate layer (5) is a nonwoven layer, a flocked cloth layer, a polyester cloth layer or a velvet layer.

6. Fire extinguishing adhesive tape according to claim 5, characterized in that the thickness of the substrate layer (5) is 0.1-3 mm.

7. Fire extinguishing adhesive tape according to claim 6, characterized in that the thickness of the fire extinguishing layer (3) is 0.1-4 mm.

8. Fire extinguishing tape according to claim 7, characterized in that the heat-shrinkable cavity (30) is of cylindrical, spherical and/or prismatic structure.