JP3255037U - Fire extinguishing and flame retardant bag sheet - Google Patents

Abstract

To provide a fire extinguishing/flame retardant bag sheet that can be carried in a bag-like form to house electronic devices, and that can be unfolded as needed or used for fire extinguishing and flame retardant treatment while still in the bag-like form.
[Solution] The fire extinguishing/flame-retardant bag sheet 1 comprises a sheet 10 made of a fire-resistant material and symmetrical in the left-right or up-down direction, a fire extinguishing section 11 that is applied to or attached to one side of the sheet 10 and contains a fire extinguishing agent, and an opening/closing member 12 that is attached to the edge of the sheet, the sheet 10 is folded along a left-right or up-down axis of symmetry so that the side with the fire extinguishing section 11 faces inward, and is closed by the opening/closing member 12 to form a bag-like body. It may also be structured so that it is folded and closed along the left-right or up-down axis of symmetry.
[Selected Figure] Figure 1

Description

This invention relates to a sheet that can be used as both a fire extinguishing and flame retardant bag containing a fire extinguishing agent.

In recent years, there has been an increase in incidents of lithium-ion batteries inside smartphones, tablets, laptops, mobile phone chargers, e-cigarettes, and other devices emitting smoke or catching fire while charging or in use. If the lithium-ion batteries inside these electronic devices are damaged or deteriorated, or if they are used improperly, such as being subjected to impact, high temperatures, or foreign objects, the risk of them emitting smoke or catching fire increases. Therefore, there is a need for tools that can quickly extinguish fires in electronic devices that are generating abnormal heat, emitting smoke, or catching fire, and prevent the fire from spreading.

Patent Document 1 discloses a fire-extinguishing and fire-resistant bag for use on aircraft that can easily isolate electronic devices, block heat, and reduce the intensity of a fire, thereby preventing the spread and spread of the fire. Patent Document 2 also discloses a sheet that can be sprayed, coated, or impregnated with a fire extinguishing agent.

Utility Model Registration No. 3249552 Patent No. 2762154

The fire-extinguishing and fire-resistant bag described in Patent Document 1 can house electronic devices inside to insulate them from heat and weaken the intensity of a fire. However, if the fire spreads, the area of coverage is limited. Therefore, there is a need for a configuration that can extinguish and prevent fires over a wider area and can be unfolded into a sheet for use as needed.

The sheet described in Patent Document 2 has the advantage of being able to extinguish fires over a wide area when spread out. However, when the sheet is stored in a bag for carrying, there is a risk that the cap of the fire extinguishing agent filled inside the sheet may be damaged or burst due to impact, etc.

In order to solve the above problems, the present invention aims to provide a fire-extinguishing/flame-retardant bag sheet that can be carried in a bag-like form to house electronic devices, and that can be unfolded as needed or used in its bag-like form for fire-extinguishing and flame-retardant treatment.

In order to achieve the above-mentioned purpose, the fire extinguishing/flame retardant bag sheet comprises a sheet made of a fire-resistant material and symmetrical in the left-right or up-down direction, a fire extinguishing section that is applied or attached to one side of the sheet and contains a fire extinguishing agent, and an opening/closing member provided on the edge of the sheet, and the sheet is folded along the axis of symmetry in the left-right or up-down direction so that the side with the fire extinguishing section is on the inside, and is closed by the opening/closing member to form a bag-like body.
The sheet may be symmetrical in shape with respect to the left-right and up-down directions, and may be folded from the bag-like body along a symmetrical axis in the left-right or up-down direction and closed.
Furthermore, the fire extinguishing agent may be at least one selected from a fluoroketone-based fire extinguishing agent, a sodium bicarbonate-based fire extinguishing powder, an ammonium phosphate-based fire extinguishing powder, an aqueous film-forming foam fire extinguishing agent, and a carbon dioxide-based fire extinguishing agent.

The fire extinguishing/flame retardant bag sheet of this invention can be carried in a bag-like form with electronic devices stored inside, and can be unfolded as needed or used for fire extinguishing and flame retardant treatment while still in the bag-like form.

1 is a development view of a rectangular fire extinguishing/flame retardant bag in accordance with an embodiment of the present invention; 1A is a schematic diagram showing the fire extinguishing/flameproofing bag combined sheet in a state where it is folded once and closed, and FIG. 1B is a schematic diagram showing the state where it is folded twice and closed. 1 is a development view of a circular fire extinguishing/flame retardant bag in accordance with an embodiment of the present invention. FIG. 3 is a schematic diagram showing the fire extinguishing/flameproofing bag combined sheet in a state where (A) is folded once and closed, and in a state where (B) is folded twice and closed. 2 is an explanatory diagram of the case where the fire extinguishing/flame-proofing bag sheet of FIG. 1 is used in a bag-shaped body. FIG. 2 is an explanatory diagram of the combined fire extinguishing and flame retardant bag sheet of FIG. 1 in an unfolded state when in use.

Embodiments of the present invention (hereinafter referred to as examples) will be described below with reference to the drawings. In the following drawings, common parts are designated by the same reference numerals, and duplicate explanations of parts with the same reference numerals will be omitted. In this specification, "contained" means to place and hold something inside a bag. In addition, in this specification, the state in which the fire extinguishing/flame-retardant bag sheet 1 is folded into a bag is referred to as a bag-like body.

[Configuration of fire extinguishing/flame retardant bag combination sheet 1]
The configuration of the fire extinguishing/flame retardant bag 1 in the embodiment of the present invention will be described in detail with reference to Figures 1 to 4. Figure 1 is a development view of the rectangular fire extinguishing/flame retardant bag 1, Figure 2(A) is a schematic diagram showing the fire extinguishing/flame retardant bag 1 of Figure 1 folded once and closed, and Figure 2(B) is a schematic diagram showing the fire extinguishing/flame retardant bag 1 of Figure 1 folded twice and closed. Figure 3 is a development view of the circular fire extinguishing/flame retardant bag, and Figure 4(A) is a schematic diagram showing the fire extinguishing/flame retardant bag 1 of Figure 3 folded once and closed, and Figure 4(B) is a schematic diagram showing the fire extinguishing/flame retardant bag 1 of Figure 3 folded twice and closed.

As shown in Figures 1 and 3, the fire extinguishing/flameproofing sheet 1 is constructed using a base material of a sheet 10 made of a fire-resistant material and symmetrical in the left-right or up-down direction. In this embodiment, as shown in Figure 1, a square sheet 10 is used as an example, but the present invention is not limited to this and may be rectangular or rectangular with rounded corners. Furthermore, as shown in Figure 3, a circular sheet 10 or an oval sheet may also be used. The sheet 10 must be symmetrical in the left-right or up-down direction (a line-symmetric shape) so that it can be folded once and closed. As long as the shape is line-symmetric, it is not limited to a rectangle or circle, and may also be polygonal, heart-shaped, star-shaped, etc.

It is preferable that the seat 10 has a shape that is symmetrical in the left-right and up-down directions (a point-symmetric shape) so that it can be further folded and closed. In this embodiment, as shown in Figures 1 and 3, the seat 10 is symmetrical in the left-right direction with respect to an axis of symmetry (line A) and in the up-down direction with respect to an axis of symmetry (line B).

The sheet 10 must be large enough to contain an electronic device (e.g., a smartphone) when folded in half to form a bag, and large enough to be unfolded and used for fire extinguishing and flame prevention in the event of smoke or fire from the electronic device. In this example, a square sheet 10 with sides of 30 cm (Figure 1) and a circular sheet 10 with a diameter of 30 cm (Figure 3) are used. Note that the dimensions of the sheet 10 are not limited to those in this example, and any size may be used as long as it is made to fit the electronic device to be contained and meets the above conditions.

As mentioned above, a fire-resistant material is used for the sheet 10. The fire-resistant material is not particularly limited as long as it is a heat-resistant and flame-retardant fibrous material. For example, woven or nonwoven fabrics made of glass fiber, silica fiber, ceramic fiber, carbon fiber, or aramid fiber, or laminates thereof, can be used.

As shown in Figures 1 and 3, the sheet 10 is provided with fire extinguishing sections 11 that are applied or attached to one side and contain a fire extinguishing agent. There are no particular restrictions on the number or dimensions of the fire extinguishing sections 11, but in this embodiment, the sheet 10 has fire extinguishing sections 11 provided in four locations on one side. The fire extinguishing sections 11 in this embodiment are formed by applying heat-resistant silicone containing microcapsules containing a fire extinguishing agent directly to the sheet 10. This may also be constructed by attaching an existing fire extinguishing sheet.

The extinguishing agent contained in the fire extinguishing unit 11 may be any type that can effectively extinguish a fire in the early stages. For example, the extinguishing agent may be at least one selected from the group consisting of fluoroketone-based extinguishing agents, sodium bicarbonate-based extinguishing powder, ammonium phosphate-based extinguishing powder, aqueous film-forming foam extinguishing agents, and carbon dioxide-based extinguishing agents.

In this example, dodecafluoro-2-methylpentan-3-one (FK- _5-1-12 ) (chemical formula _C6F12O ), which has excellent fire extinguishing performance, is used as the fire extinguishing agent and processed into microcapsules (200 microns). This fire extinguishing agent is a fluoroketone-based fire extinguishing agent that does not destroy ozone because it does not contain bromine or chlorine atoms, and is superior in terms of environmental and safety compared to halide fire extinguishing agents. It can also be used for a long period of time. Furthermore, it has excellent electrical insulation properties, which means that electrical equipment such as computers and communication devices will not lose their functionality even if they are submerged in it, and there is almost no contamination caused by the fire extinguishing agent.

Opening and closing members 12 are provided on the edges of the sheet 10. The sheet 10 is folded along a symmetry axis in the left-right or up-down direction so that the side with the fire extinguishing section 11 faces inward, and is then closed with the opening and closing member 12 to form a bag-like body. In this embodiment, as shown in Figure 2 (A), the square sheet 10 is folded along the symmetry axis (line B), and the opening and closing member 12 is closed to form a bag-like body. The opening and closing member 12 can be a zipper, hook-and-loop fastener, snap button, or the like. In this embodiment, a zipper is used as the opening and closing member 12 (hereinafter referred to as zipper 12).

Specifically, as shown in FIG. 1, two zippers 12 are provided on the edge of the sheet 10, arranged symmetrically about an axis of symmetry (line A). The pull tabs 13 (sliders) of each zipper 12 are attached so that they can slide along the edge. The top stops of the left and right zippers 12 are also positioned on the axis of symmetry (line A). With this configuration, the square sheet 10 can be folded in half along the axis of symmetry (line B), and the left and right pull tabs 13 can be slid along the edge to the axis of symmetry (line A), closing the sheet 10 and forming a bag-like object (see FIG. 2(A)). Using two zippers 12 as the opening/closing member 12 in this way allows the sliding distance of each pull tab 13 to be half the entire circumference of the edge, simplifying opening and closing operations.

Furthermore, by using a zipper 12 as the opening/closing member 12, it is possible to keep the bag securely closed even in the unlikely event that smoke or fire occurs from the electronic device inside the bag. As a result, the electronic device can be safely isolated from the hot device, and the transfer of heat to the outside can be suppressed. Furthermore, the fire can be extinguished initially using the fire extinguishing agent contained in the fire extinguishing section 11 while the bag is still in its formed state. Note that a single zipper 12 may be used as the opening/closing member 12. In this case, although there is the disadvantage that the sliding distance of the pull tab extends around the entire edge, there is the advantage that the number of parts can be reduced and a simple configuration can be achieved.

As shown in FIG. 2(A), the fire extinguishing/flame-retardant bag sheet 1 may be configured so that, once the sheet 10 has formed a bag-like body, it can be further folded along a left-right or up-down axis of symmetry to close it. In this embodiment, the sheet 10 is folded along the axis of symmetry (line A) shown in FIG. 2(A) and closed with the opening/closing device 14, resulting in a double-folded state as shown in FIG. 2(B). In the state shown in FIG. 2(B), two spaces are formed, separated left and right by the axis of symmetry (line A), and each space functions as a bag-like body, resulting in two bag-like bodies. The opening/closing device 14 can be a zipper, hook-and-loop fastener, snap button, or the like, as with the opening/closing member 12 described above. In this embodiment, a snap button is used as the opening/closing device 14, allowing for easy opening and closing.

By compacting the fire extinguishing/flame-retaining bag 1 as shown in Figure 2(B), it becomes easier to carry it while storing electronic devices. It is also possible to store different electronic devices in each of the two bags formed. When carried in the state shown in Figures 2(A) and 2(B), the fire extinguishing section 11 is positioned inside the bag. The circular fire extinguishing/flame-retaining bag 1 shown in Figures 3 and 4 also achieves the same effects as above. That is, as shown in Figure 4(A), a bag-like body can be formed by folding the circular sheet 10 of Figure 3 along the axis of symmetry (line B) and closing it with the opening/closing member 12. Furthermore, by folding it along the axis of symmetry (line A) of Figure 4(A) and closing it with the opening/closing device 14, it can be folded twice as shown in Figure 4(B), allowing for even more compact carrying.

[How to use the fire extinguishing/flame retardant bag sheet 1]
Next, a method of using the fire extinguishing/flame retardant bag 1 will be described with reference to Figures 2, 4, 5, and 6. Figure 5 is an explanatory diagram of the fire extinguishing/flame retardant bag 1 when used in a bag-like form, and Figure 6 is an explanatory diagram of the fire extinguishing/flame retardant bag 1 when used in an unfolded form. As mentioned above, when carrying an electronic device, the fire extinguishing/flame retardant bag 1 is folded to form a bag-like form as shown in Figure 2 or 4, the electronic device is placed inside the bag-like form, and then the bag is closed with the opening/closing member 12.

If the electronic device is relatively large (e.g., a tablet computer), the fire extinguishing/flame-retardant bag sheet 1 can be folded to form a bag-like structure, as shown in FIG. 2(A) or FIG. 4(A), and the electronic device can be stored inside the bag-like structure and carried. On the other hand, if the electronic device is relatively small (e.g., a smartphone or charger), the sheet can be further folded to form a compact, portable structure, as shown in FIG. 2(B) or FIG. 4(B). In this case, two bags are formed, separated left and right by the axis of symmetry (line A) shown in FIG. 2(A) or FIG. 4(A), allowing different electronic devices to be stored in each bag. As shown in FIG. 5, if smoke or fire occurs from the charger 3 in this state, the fire extinguishing section 11 inside the bag-like structure is heated, rupturing the microcapsules contained in the fire extinguishing section 11, releasing the fire extinguishing agent, which acts on the flame and suppresses the smoke or fire from the charger 3. Additionally, because the fire extinguishing/flame retardant bag sheet 1 is made from fire-resistant material, it can safely isolate electronic devices that have become hot, and can suppress the transfer of heat to the outside.

As shown in Figure 6, if an external smartphone 2 catches fire, the fire extinguishing/flame-retardant bag sheet 1 is unfolded and placed over the smartphone 2 with the side containing the fire extinguishing section 11 facing the source of the fire. By covering the smartphone 2 in this manner, the microcapsules contained within the fire extinguishing section 11 burst when heated, and the released fire extinguishing agent acts on the flame, effectively extinguishing the fire. The microcapsules used in this embodiment contain a fire extinguishing agent made of an organic compound that is harmless to humans and the environment, ensuring excellent safety. While Figure 5 uses a charger 3 as an example of an electronic device and Figure 6 uses a smartphone 2 as an example, the present invention is not limited to these and can be applied to other electronic devices as well. Furthermore, the fire extinguishing/flame-retardant bag sheet 1 can be used not only to extinguish small fires, but also effectively functions as a flame-retardant sheet to protect people and objects from the effects of heat.

As explained above, the fire extinguishing/flame retardant bag sheet of the present invention can be easily carried in a bag-like form with electronic devices stored inside. Furthermore, in the early stages of a fire, the fire extinguishing/flame retardant bag sheet can be unfolded or left in its bag-like form for fire extinguishing and flame retardant treatment.

The above-mentioned dual-purpose fire extinguishing and flame-retardant bag sheet is just one example, and its configuration and method of use can be modified as appropriate without departing from the spirit of the invention.

1 Fire extinguishing/flameproof bag dual-use sheet 2 Smartphone 3 Charger 10 Sheet 11 Fire extinguishing part 12 Opening and closing member (zipper)
13 Pull handle 14 Opening and closing device

Claims (3)

A sheet made of a fire-resistant material and symmetrical in the left-right or up-down direction;
A fire extinguishing part that is applied to or attached to one surface of the sheet and contains a fire extinguishing agent;
an opening/closing member provided on an edge of the sheet;
Equipped with
The sheet is folded along a left-right or up-down axis of symmetry so that the side having the fire extinguishing section faces inward, and is closed by the opening and closing member to form a bag-like body. The fire-extinguishing/flame-retardant bag sheet according to claim 1, characterized in that the sheet is symmetrical in the left-right and up-down directions and is further folded and closed from the bag-like body along the axis of symmetry in the left-right or up-down directions. 3. The fire extinguishing/flame retardant bag sheet according to claim 1, wherein the fire extinguishing agent is at least one selected from the group consisting of a fluoroketone-based fire extinguishing agent, a sodium bicarbonate-based fire extinguishing powder, an ammonium phosphate-based fire extinguishing powder, an aqueous film-forming foam fire extinguishing agent, and a carbon dioxide-based fire extinguishing agent.