Self-excitation type flame extinguishing device

Abstract

The utility model belongs to the field of flame extinguishing devices, particularly relates to a self-excitation type flame extinguishing device, and aims to solve the problem that a fire extinguishing device in the prior art is poor in fire extinguishing effect in a small, local or non-completely closed space. The flame extinguishing device comprises a fixed layer and a flame extinguishing layer fixed on the fixed layer, the fixing layer is used for being fixed to the surface of an object. The flame extinguishing layer comprises a plurality of flame extinguishing microcapsules A and flame extinguishing microcapsules B which are respectively wrapped by hot melt adhesive, the flame extinguishing microcapsules A are uniformly and tightly arranged and distributed, and the flame extinguishing microcapsules B are arranged in gaps enclosed by the plurality of flame extinguishing microcapsules A. The flame extinguishing microcapsules A are regularly arranged, and the flame extinguishing microcapsules B are arranged in the gaps formed by the flame extinguishing microcapsules A, so that more flame extinguishing microcapsules can be accommodated in the same volume and thickness, and the flame extinguishing effect is better.

Description

Technical Field

[0001] The utility model belongs to the field of flame extinguishing devices, and in particular relates to a self-excitation type flame extinguishing device. Background Art

[0002] In order to cope with sudden fire situations, existing fire extinguishing devices usually use pre-filled fire extinguishing agent tanks as basic components. These devices include but are not limited to handheld fire extinguishers, fixed fire extinguishing systems, and customized fire extinguishing equipment for various special application environments. In the traditional operation mode, the user needs to manually trigger the release mechanism after discovering the fire source, so that the fire extinguishing agent can be quickly sprayed to the fire source to achieve the purpose of extinguishing the fire.

[0003] With the development of technology, automatic fire extinguishing systems have become popular, especially for specific risk areas such as data centers, power distribution rooms, kitchens and other important facilities, where flame extinguishing devices with induction self-excitation functions have been developed. Such devices can monitor environmental changes in real time by integrating thermal, smoke, flame detection sensors or other intelligent monitoring equipment, and automatically start the fire extinguishing process when early signs of fire are detected. However, these highly automated fire extinguishing systems often involve complex pipeline layouts, valve control systems and supporting electronic components, which increase the installation cost and maintenance difficulty of the overall system.

[0004] It is particularly important to note that some existing automatic flame extinguishing devices are more suitable for use in relatively closed and well-planned large and medium-sized facilities due to their design requirements. For small, partial or non-completely enclosed spaces, such as inside household appliances, around individual office equipment or in narrow electrical cabinets, the large size, high cost and possible secondary damage to the surrounding environment (such as the impact of certain fire extinguishing agents on precision instruments) of traditional automatic fire extinguishing systems limit their application and promotion in these occasions. Therefore, the market is in urgent need of a small-scale fire extinguishing solution with a compact structure, reasonable cost and flexible adaptability, which can not only meet the requirements of efficient and rapid fire extinguishing, but also overcome the limitations of existing automatic fire extinguishing devices in specific application scenarios.

[0005] Based on this, the utility model proposes a self-igniting flame extinguishing device. Utility Model Content

[0006] In order to solve the above-mentioned problem in the prior art, that is, the problem that the fire extinguishing device in the prior art has poor fire extinguishing effect for small, partial or non-completely enclosed spaces, the utility model provides a self-excitation type flame extinguishing device, comprising a fixed layer and a flame extinguishing layer fixed on the fixed layer;

[0007] The fixing layer is used to be fixed on the surface of the object;

[0008] The flame extinguishing layer comprises a plurality of flame extinguishing microcapsules A and flame extinguishing microcapsules B respectively wrapped by hot melt adhesives; the flame extinguishing microcapsules A are evenly and closely arranged and distributed; and the flame extinguishing microcapsules B are arranged in gaps surrounded by the plurality of flame extinguishing microcapsules A.

[0009] In some preferred embodiments, the flame extinguishing microcapsules A are arranged in at least two layers within the flame extinguishing layer.

[0010] In some preferred embodiments, the diameter of the flame-extinguishing microcapsule A is greater than the diameter of the flame-extinguishing microcapsule B.

[0011] In some preferred embodiments, the fixing layer is fixed to the surface of the object by means of glue, magnetism or bolts.

[0012] In some preferred embodiments, the startup temperature of the flame-extinguishing microcapsule A is 100°C to 120°C, and the startup temperature of the flame-extinguishing microcapsule B is 200°C to 220°C.

[0013] In some preferred embodiments, the flame-extinguishing microcapsule B is disposed in a gap surrounded by a plurality of the flame-extinguishing microcapsules A, and the specific structure includes:

[0014] One flame-extinguishing microcapsule B is disposed in the gap of the cube structure formed by the plurality of flame-extinguishing microcapsules A;

[0015] The cube structure is composed of two layers of the flame-extinguishing microcapsules A, each layer is provided with four flame-extinguishing microcapsules A, and the flame-extinguishing microcapsules A at four ends of each layer form a square.

[0016] In some preferred embodiments, the flame-extinguishing microcapsule B is disposed in a gap surrounded by a plurality of the flame-extinguishing microcapsules A, and the specific structure includes:

[0017] The four adjacent flame-extinguishing microcapsules A in each layer form a square and produce a gap in the center of the square. The central gaps of the squares formed by the multiple layers of flame-extinguishing microcapsules A overlap. The diameter of the central gap of the square is greater than the diameter of the flame-extinguishing microcapsules B. Multiple flame-extinguishing microcapsules B are arranged in the central gaps of the squares of the multiple layers.

[0018] In some preferred embodiments, the flame-extinguishing microcapsule B is disposed in a gap surrounded by a plurality of the flame-extinguishing microcapsules A, and the specific structure includes:

[0019] The flame-extinguishing microcapsules B are arranged in the gaps formed by one flame-extinguishing microcapsule A in each layer and four flame-extinguishing microcapsules A in the adjacent layer.

[0020] In some preferred embodiments, in two adjacent layers of the flame-extinguishing microcapsules A, the flame-extinguishing microcapsules A in one layer are arranged on the square gap formed by four flame-extinguishing microcapsules A in the other layer.

[0021] In some preferred embodiments, the flame-extinguishing microcapsule B is disposed in a gap surrounded by a plurality of the flame-extinguishing microcapsules A, and the specific structure includes:

[0022] The flame-extinguishing microcapsules A between different rows in each layer are staggered and distributed, and every three flame-extinguishing microcapsules A form an equilateral triangle. The flame-extinguishing microcapsules B are arranged in the gaps surrounded by a number of flame-extinguishing microcapsules A.

[0023] Beneficial effects of the utility model:

[0024] 1. By arranging the flame-extinguishing microcapsules A regularly and placing the flame-extinguishing microcapsules B in the gaps formed by a number of flame-extinguishing microcapsules A, more flame-extinguishing microcapsules can be accommodated in the same volume thickness, thereby achieving a better flame-extinguishing effect;

[0025] 2. When the hot melt adhesive reaches the predetermined temperature, it will be dissolved by heat to release the flame extinguishing microcapsules. At the same time, the structure of the flame extinguishing microcapsules will not be destroyed in advance, and no harmful substances will be released after use;

[0026] 3. The flame extinguishing microcapsule A and the flame extinguishing microcapsule B have a large starting temperature difference, so that the flame extinguishing microcapsule A with a lower starting temperature can be started far away from the flame, and the flame extinguishing microcapsule B can be started close to the flame, so the flame extinguishing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0028] Figure 1 This is a front view of a first embodiment of a self-igniting flame extinguishing device of the utility model;

[0029] Figure 2 It is a schematic diagram of the combined structure of flame extinguishing microcapsule A and flame extinguishing microcapsule B of the first embodiment of a self-excitation flame extinguishing device of the utility model;

[0030] Figure 3 This is a front view of a second embodiment of a self-igniting flame extinguishing device of the utility model;

[0031] Figure 4 It is a top view of a second embodiment of a self-igniting flame extinguishing device of the utility model;

[0032] Figure 5It is a schematic diagram of the combined structure of flame extinguishing microcapsule A and flame extinguishing microcapsule B of the third embodiment of a self-excitation flame extinguishing device of the utility model;

[0033] Figure 6 It is a front view of a fourth embodiment of a self-igniting flame extinguishing device of the utility model;

[0034] Figure 7 It is a top view of a fourth embodiment of a self-igniting flame extinguishing device of the utility model. DETAILED DESCRIPTION

[0035] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the relevant utility model are shown in the accompanying drawings.

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0037] like Figure 1 and Figure 2 As shown, the first embodiment of the utility model provides a self-excitation flame extinguishing device, comprising a fixed layer 1 and a flame extinguishing layer 2 fixed on the fixed layer 1;

[0038] The fixing layer 1 is used to be fixed on the surface of the object;

[0039] The flame extinguishing layer 2 includes a plurality of flame extinguishing microcapsules A3 and flame extinguishing microcapsules B4 respectively wrapped by hot melt adhesive 5, the flame extinguishing microcapsules A3 are evenly and closely arranged and distributed, and the flame extinguishing microcapsules B4 are arranged in gaps surrounded by the plurality of flame extinguishing microcapsules A3.

[0040] As a further explanation of the present invention, the flame extinguishing microcapsules A3 are arranged in at least two layers in the flame extinguishing layer 2 .

[0041] As a further explanation of the present invention, the diameter of the flame-extinguishing microcapsule A3 is greater than the diameter of the flame-extinguishing microcapsule B4.

[0042] As a further explanation of the present invention, the fixing layer 1 is fixed to the surface of the object by means of glue, magnetism or bolts.

[0043] As a further explanation of the present invention, the starting temperature of the flame-extinguishing microcapsule A3 is 100°C to 120°C, and the starting temperature of the flame-extinguishing microcapsule B4 is 200°C to 220°C.

[0044] As a further explanation of the present invention, the flame extinguishing microcapsule B4 is arranged in the gap surrounded by a plurality of the flame extinguishing microcapsules A3, and the specific structure includes:

[0045] One flame-extinguishing microcapsule B4 is disposed in the gap of the cube structure formed by the plurality of flame-extinguishing microcapsules A3;

[0046] The cube structure is composed of two layers of the flame-extinguishing microcapsules A3, each layer is provided with four flame-extinguishing microcapsules A3, and the flame-extinguishing microcapsules A3 at four ends of each layer form a square.

[0047] Specifically, the flame extinguishing layer 2 is composed of a hot melt adhesive 5 that melts under heat and wraps the flame extinguishing microcapsules A3 and the flame extinguishing microcapsules B4. The diameter of the flame extinguishing microcapsules A3 is 21 microns, and the starting temperature, i.e., the capsule shell rupture temperature, is preferably 100°C; the diameter of the flame extinguishing microcapsules B4 is 15 microns, and the starting temperature, i.e., the capsule shell rupture temperature, is preferably 180°C. The flame extinguishing microcapsules A3 have two layers, and the flame extinguishing microcapsules A3 are distributed in an array along the XYZ axis as shown in FIG. Figure 2 Each flame-extinguishing microcapsule A3 is tightly fitted, and the flame-extinguishing microcapsule B4 is arranged in the gap of the cube formed by the eight flame-extinguishing microcapsules A3.

[0048] The outermost flame extinguishing microcapsules A3 on one side of the flame extinguishing layer 2 are attached to the fixing layer 1 and fixed on the fixing layer 1 by the injected hot melt adhesive 5. The injected hot melt adhesive 5 completely wraps the flame extinguishing microcapsules A3 on the remaining four sides. The fixing layer 1 is provided with adhesive on the side opposite to the flame extinguishing layer 2, and the flame extinguishing sticker is fixed to other equipment by the adhesive.

[0049] The diameter of flame extinguishing microcapsule A3 is 1.4 times that of flame extinguishing microcapsule B4. Flame extinguishing microcapsule B4 can be placed in the gap of the cube formed by eight flame extinguishing microcapsules A3, so that more flame extinguishing microcapsules can be placed in a limited thickness, and the flame extinguishing effect is better. The starting temperature of flame extinguishing microcapsule A3 is lower than that of flame extinguishing microcapsule B4. When a fire occurs, flame extinguishing microcapsule B4 can better penetrate into the fire source to extinguish the fire.

[0050] This self-igniting flame extinguishing device can be made into sheet structures of different sizes according to actual needs, such as 20cm×5cm, 15cm×5cm, 10cm×5cm, etc., and fixed in the corresponding device that needs flame extinguishing. This device can directly extinguish the flame when the equipment just catches fire, and can extinguish the fire multiple times according to the size of the fire source, effectively preventing the equipment from reigniting after one flame extinguishing, and playing a role in preventing re-ignition.

[0051] The length direction of the fixing layer 1 is the X-axis, the width direction of the fixing layer 1 is the Y-axis, and the height direction of the fixing layer 1 is the Z-axis.

[0052] like Figure 3 and Figure 4 As shown, a self-excitation flame extinguishing device provided in the second embodiment of the utility model comprises a fixing layer 1 and a flame extinguishing layer 2 fixed on the fixing layer 1;

[0053] The fixing layer 1 is used to be fixed on the surface of the object;

[0054] The flame extinguishing layer 2 includes a plurality of flame extinguishing microcapsules A3 and flame extinguishing microcapsules B4 respectively wrapped by hot melt adhesive 5, the flame extinguishing microcapsules A3 are evenly and closely arranged and distributed, and the flame extinguishing microcapsules B4 are arranged in gaps surrounded by the plurality of flame extinguishing microcapsules A3.

[0055] As a further explanation of the present invention, the flame extinguishing microcapsules A3 are arranged in at least two layers in the flame extinguishing layer 2 .

[0056] As a further explanation of the present invention, the diameter of the flame-extinguishing microcapsule A3 is greater than the diameter of the flame-extinguishing microcapsule B4.

[0057] As a further explanation of the present invention, the fixing layer 1 is fixed to the surface of the object by means of glue, magnetism or bolts.

[0058] The flame extinguishing microcapsule B4 is arranged in the gap surrounded by a plurality of the flame extinguishing microcapsules A3, and the specific structure includes:

[0059] The four adjacent flame-extinguishing microcapsules A3 in each layer form a square and produce a gap in the center of the square. The central gaps of the squares formed by the multiple layers of flame-extinguishing microcapsules A3 overlap. The diameter of the central gap of the square is larger than the diameter of the flame-extinguishing microcapsules B4. Multiple flame-extinguishing microcapsules B4 are arranged in the central gaps of the squares of the multiple layers.

[0060] Specifically, the flame extinguishing layer 2 is composed of flame extinguishing microcapsules A3 and flame extinguishing microcapsules B4 wrapped in hot melt adhesive that melts when heated. The diameter of the flame extinguishing microcapsule A3 is 25 microns, and the starting temperature, i.e., the capsule shell rupture temperature, is 110°C; the diameter of the flame extinguishing microcapsule B4 is 10 microns, and the starting temperature, i.e., the capsule shell rupture temperature, is 190°C. The flame extinguishing microcapsules A3 have three layers, and the flame extinguishing microcapsules A3 are arranged in an array along the XYZ axis. Each flame extinguishing microcapsule A3 is tightly fitted, and the flame extinguishing microcapsules B4 are arranged in a square gap formed by four flame extinguishing microcapsules A3. Figure 4 .

[0061] The outermost flame-extinguishing microcapsules on one side of the flame-extinguishing layer 2 are attached to the fixed layer 1 and fixed on the fixed layer 1 by the injected hot-melt adhesive 5. The injected hot-melt adhesive 5 completely wraps the remaining flame-extinguishing microcapsules A3 on all sides. A magnet is provided on the side of the fixed layer 1 opposite to the flame-extinguishing layer 2. The magnet can be embedded in the fixed layer 1 or arranged on the surface of the fixed layer 1. The flame-extinguishing sticker is fixed to other equipment by magnetic attraction.

[0062] The diameter of the flame-extinguishing microcapsule A3 is 2.5 times the diameter of the flame-extinguishing microcapsule B4. The flame-extinguishing microcapsule B4 can pass through the square gap formed by four flame-extinguishing microcapsules A, and more flame-extinguishing microcapsules B4 can be placed.

[0063] like Figure 5 As shown, the third embodiment of the utility model provides a self-igniting flame extinguishing device, which is based on the improvement of the second embodiment, and the improvement content is as follows:

[0064] The starting temperature of the flame-extinguishing microcapsule A3 is 100°C to 120°C, and the starting temperature of the flame-extinguishing microcapsule B4 is 200°C to 220°C.

[0065] As a further explanation of the present invention, the flame extinguishing microcapsule B4 is arranged in the gap surrounded by a plurality of the flame extinguishing microcapsules A3, and the specific structure includes:

[0066] The flame-extinguishing microcapsules B4 are arranged in the gaps formed by one flame-extinguishing microcapsule A3 in each layer and four flame-extinguishing microcapsules A3 in the adjacent layer.

[0067] As a further explanation of the present invention, in two adjacent layers of the flame-extinguishing microcapsules A3, the flame-extinguishing microcapsules A3 of one layer are arranged on the square gap formed by four flame-extinguishing microcapsules A3 of the other layer.

[0068] like Figure 5 Each layer of flame extinguishing microcapsules A3 is arranged in an array along the XY axis, and one layer of flame extinguishing microcapsules A3 is arranged above the gap formed by four flame extinguishing microcapsules A3 in the other layer. In this way, with the same three layers of flame extinguishing microcapsules A3, the thickness of the flame extinguishing patch of this embodiment is thinner than that of the second embodiment.

[0069] like Figure 6 and Figure 7 As shown, a self-excitation flame extinguishing device provided in the fourth embodiment of the utility model comprises a fixing layer 1 and a flame extinguishing layer 2 fixed on the fixing layer 1;

[0070] The fixing layer 1 is used to be fixed on the surface of the object;

[0071] The flame extinguishing layer 2 includes a plurality of flame extinguishing microcapsules A3 and flame extinguishing microcapsules B4 respectively wrapped by hot melt adhesive 5, the flame extinguishing microcapsules A3 are evenly and closely arranged and distributed, and the flame extinguishing microcapsules B4 are arranged in gaps surrounded by the plurality of flame extinguishing microcapsules A3.

[0072] As a further explanation of the present invention, the flame extinguishing microcapsules A3 are arranged in at least two layers in the flame extinguishing layer 2 .

[0073] As a further explanation of the present invention, the diameter of the flame-extinguishing microcapsule A3 is greater than the diameter of the flame-extinguishing microcapsule B4.

[0074] As a further explanation of the present invention, the fixing layer 1 is fixed to the surface of the object by means of glue, magnetism or bolts.

[0075] The flame extinguishing microcapsule B4 is arranged in the gap surrounded by a plurality of the flame extinguishing microcapsules A3, and the specific structure includes:

[0076] The flame-extinguishing microcapsules A3 between different rows in each layer are staggered and distributed, and every three flame-extinguishing microcapsules A3 form an equilateral triangle. The flame-extinguishing microcapsules B4 are arranged in the gaps surrounded by a number of flame-extinguishing microcapsules A3.

[0077] Specifically, the flame extinguishing layer 2 is composed of flame extinguishing microcapsules A3 and flame extinguishing microcapsules B4 wrapped in hot melt adhesive that melts under heat. The diameter of the flame extinguishing microcapsule A3 is 26 microns, and the starting temperature, i.e., the capsule shell rupture temperature, is 120°C; the diameter of the flame extinguishing microcapsule B4 is 4 microns, and the starting temperature, i.e., the capsule shell rupture temperature, is 200°C. The flame extinguishing microcapsules A3 have two layers, and the flame extinguishing microcapsules A3 are staggered between different rows in each layer. Each flame extinguishing microcapsule A3 is tightly fitted, and three adjacent flame extinguishing microcapsules A3 in each layer form an equilateral triangle, and the flame extinguishing microcapsule B4 is arranged in the gap surrounded by a number of flame extinguishing microcapsules A.

[0078] The outermost flame-extinguishing microcapsules on one side of the flame-extinguishing layer 2 are attached to the fixing layer 1 and fixed on the fixing layer 1 by the injected hot-melt adhesive 5. The injected hot-melt adhesive 5 completely wraps the flame-extinguishing microcapsules A3 on the remaining four sides. The fixing layer 1 is wider or longer than the flame-extinguishing layer 2. The extra width or length is provided with mounting holes, and can be fixed to other equipment by screws, bolts and other materials.

[0079] When the diameter of flame-extinguishing microcapsule A3 is 6.5 times or more than the diameter of flame-extinguishing microcapsule B4, flame-extinguishing microcapsule B4 can better fill the gaps formed by the arrangement of flame-extinguishing microcapsules A3, so that more flame-extinguishing microcapsules can be accommodated under the same structural thickness, achieving a better flame-extinguishing effect.

[0080] It can be known from the above four embodiments that when the diameter of the flame-extinguishing microcapsule A3 is 1.4 to 2.5 times the diameter of the flame-extinguishing microcapsule B4, it is suitable for the structure of the first embodiment; when the diameter of the flame-extinguishing microcapsule A3 is 2.5 to 6.5 times the diameter of the flame-extinguishing microcapsule B4, it is suitable for the structure of the second or third embodiment; and when the diameter of the flame-extinguishing microcapsule A3 is 6.5 times the diameter of the flame-extinguishing microcapsule B4, it is more suitable for the structure of the fourth embodiment.

[0081] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0082] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0083] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus / device.

[0084] So far, the technical solution of the utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the utility model.

Claims

1. A self-igniting flame extinguishing device, characterized in that: It comprises a fixing layer (1) and a flame extinguishing layer (2) fixed on the fixing layer (1); The fixing layer (1) is used to be fixed on the surface of an object; The flame extinguishing layer (2) comprises a plurality of flame extinguishing microcapsules A (3) and flame extinguishing microcapsules B (4) respectively wrapped by hot melt adhesive (5); the flame extinguishing microcapsules A (3) are evenly and closely arranged and distributed; and the flame extinguishing microcapsules B (4) are arranged in gaps surrounded by the plurality of flame extinguishing microcapsules A (3).

2. A self-igniting flame extinguishing device according to claim 1, characterized in that: The flame extinguishing microcapsules A (3) are arranged in at least two layers in the flame extinguishing layer (2).

3. A self-igniting flame extinguishing device according to claim 2, characterized in that: The diameter of the flame-extinguishing microcapsule A (3) is greater than the diameter of the flame-extinguishing microcapsule B (4).

4. A self-igniting flame extinguishing device according to claim 1, characterized in that: The fixing layer (1) is fixed on the surface of the object by means of glue, magnetism or bolts.

5. A self-igniting flame extinguishing device according to claim 1, characterized in that: The activation temperature of the flame-extinguishing microcapsule A (3) is 100°C to 120°C, and the activation temperature of the flame-extinguishing microcapsule B (4) is 200°C to 220°C.

6. A self-igniting flame extinguishing device according to claim 1, characterized in that: The flame-extinguishing microcapsule B (4) is arranged in the gap formed by the plurality of flame-extinguishing microcapsules A (3), and the specific structure includes: One flame-extinguishing microcapsule B (4) is arranged in a gap of a cube structure formed by a plurality of flame-extinguishing microcapsules A (3); The cube structure is composed of two layers of the flame-extinguishing microcapsules A (3), each layer is provided with four flame-extinguishing microcapsules A (3), and the flame-extinguishing microcapsules A (3) at four ends of each layer form a square.

7. A self-igniting flame extinguishing device according to claim 1, characterized in that: The flame-extinguishing microcapsule B (4) is arranged in the gap formed by the plurality of flame-extinguishing microcapsules A (3), and the specific structure includes: The four adjacent flame-extinguishing microcapsules A (3) in each layer form a square and a gap is formed in the center of the square. The center gaps of the squares formed by the flame-extinguishing microcapsules A (3) in multiple layers overlap. The diameter of the center gap of the square is greater than the diameter of the flame-extinguishing microcapsules B (4). A plurality of flame-extinguishing microcapsules B (4) are arranged in the center gaps of the squares in multiple layers.

8. A self-igniting flame extinguishing device according to claim 1, characterized in that: The flame-extinguishing microcapsule B (4) is arranged in the gap formed by the plurality of flame-extinguishing microcapsules A (3), and the specific structure includes: The flame-extinguishing microcapsules B (4) are arranged in the gaps formed between one flame-extinguishing microcapsule A (3) in each layer and four flame-extinguishing microcapsules A (3) in the adjacent layer.

9. A self-igniting flame extinguishing device according to claim 8, characterized in that: In two adjacent layers of the flame-extinguishing microcapsules A (3), the flame-extinguishing microcapsules A (3) in one layer are arranged on the square gaps formed by four flame-extinguishing microcapsules A (3) in the other layer.

10. A self-igniting flame extinguishing device according to claim 1, characterized in that: The flame-extinguishing microcapsule B (4) is arranged in the gap formed by the plurality of flame-extinguishing microcapsules A (3), and the specific structure includes: The flame-extinguishing microcapsules A (3) in different rows of each layer are staggered and arranged, and every three flame-extinguishing microcapsules A (3) form an equilateral triangle. The flame-extinguishing microcapsules B (4) are arranged in the gaps surrounded by a plurality of flame-extinguishing microcapsules A (3).

Images