CN222488679U - Flat aerosol fire extinguishing device with high protection level - Google Patents

Abstract

The utility model relates to a flat aerosol fire extinguishing device with a high protection level, comprising an upper cover and a lower cover that are combined to form a hollow cavity, wherein a starting component and a fire extinguishing agent column are sequentially arranged from the center to the periphery in the hollow cavity; wherein the fire extinguishing agent column is provided in a plurality and arranged at intervals along the circumference of the starting component, and the starting component is tightly fixed to the center of the hollow cavity by the plurality of fire extinguishing agent columns. The utility model has the following beneficial effects: the entire device is flat in shape, which meets the requirements of installation in a narrow space, and at the same time, it has a higher IP protection level without affecting the fire extinguishing performance of the fire extinguishing device; it can be started reliably in complex environments such as high temperature, low temperature, and high humidity.

Description

Flat aerosol fire extinguishing device with high protection level

Technical Field

The utility model relates to the technical field of fire extinguishing devices, in particular to a flat aerosol fire extinguishing device with high protection level.

Background

The traditional aerosol fire extinguishing device is usually square, cylindrical and the like in shape and large in volume, cannot be installed in a narrow space, and meanwhile, fire scenes are generally complex environmental conditions such as high temperature, high humidity and the like, and have high requirements on the starting reliability, environmental adaptability and protection level of the device.

Disclosure of utility model

Aiming at the technical problems in the prior art, the utility model provides the flat aerosol fire extinguishing device with high protection level, so that the device is applicable to complex environments such as high temperature, low temperature, high humidity and the like without affecting the performance.

The technical scheme of the utility model for solving the technical problems is that the flat aerosol fire extinguishing device with high protection level comprises an upper cover and a lower cover which are combined to form a hollow cavity, wherein a starting part and fire extinguishing agent grains are sequentially arranged in the hollow cavity from the center to the periphery;

The fire extinguishing agent columns are arranged in a plurality and are arranged at intervals along the circumferential direction of the starting component, and the starting component is tightly fixed at the center of the hollow cavity by the fire extinguishing agent columns.

Further technical scheme, the starting component includes with the starting cartridge bag that fire extinguishing agent grain hugged closely fixedly, and the combustion-supporting piece of embedding in starting cartridge bag.

According to a further technical scheme, a coolant is further arranged in the hollow cavity;

wherein, the coolant fills in the edge of hollow cavity to the space between the fire extinguishing agent grain.

According to a further technical scheme, the fire extinguishing agent grain is of a column structure formed by pressing aerosol generating agent powder.

Further in the technical scheme, the combustion-supporting member is of a thermosensitive wire structure or an electric ignition head structure.

Further in the technical scheme, the inner walls of the lower cover and the upper cover are respectively provided with an upper silica gel pad and a lower silica gel pad which are respectively matched with the upper silica gel pad and the lower silica gel pad.

Further in the technical scheme, the side wall of the lower cover is provided with a nozzle for spraying aerosol and a seal matched with the nozzle.

The beneficial effects of the utility model are as follows:

1. The whole device is flat in shape, meets the requirement of narrow space installation, and simultaneously has higher IP protection level on the premise of not making a sound on the fire extinguishing performance of the fire extinguishing device;

2. a starting part, fire extinguishing agent grains and a coolant are arranged in a gap cavity formed by combining the upper cover and the lower cover, so that the side surface of the fire extinguishing agent grains can be fully attached to the starting part, heat can be conducted to the fire extinguishing agent grains, a plurality of fire extinguishing agent grains are started at the same time, and generated aerosol is fully reflected with the coolant after being sprayed out from gaps of the fire extinguishing agent grains, so that flame in the reaction process of the fire extinguishing agent grains is isolated;

3. the arrangement of the upper cover silica gel pad and the lower cover silica gel pad can effectively play roles in sealing and heat insulation, and enhance the protection performance of the fire extinguishing device while improving the stability of the fire extinguishing device.

Drawings

FIG. 1 is a schematic side cross-sectional view of the present utility model;

FIG. 2 is a schematic top view of the lower cover of the present utility model;

FIG. 3 is a schematic perspective view of the lower cover of the present utility model without the coolant and the activating member;

FIG. 4 is a schematic perspective view of the present utility model;

In the drawings, the list of components represented by the various numbers is as follows:

the fire extinguishing agent spraying device comprises an upper cover 1, a lower cover 2, a starting part 3, a starting medicine bag 3a, a combustion supporting part 3b, fire extinguishing agent grains 4, a press riveting nut 5, a nozzle 6, an upper silica gel pad 7, a lower silica gel pad 8 and a coolant 9.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, the term "for example" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "for example" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

In order to facilitate the installation of the fire extinguishing device in a narrow space and improve the safety performance, according to the embodiment shown in fig. 1-3, a flat aerosol fire extinguishing device with high protection level is provided, which comprises an upper cover 1 and a lower cover 2 which are combined to form a hollow cavity, wherein a starting part 3 and fire extinguishing agent grains 4 are sequentially arranged in the hollow cavity from the center to the periphery;

The fire extinguishing agent grains 4 are provided with a plurality of fire extinguishing agent grains 4 and are arranged along the circumferential direction of the starting component 3 at intervals, the starting component 3 is tightly fixed at the center of the hollow cavity by the plurality of fire extinguishing agent grains 4, so that the starting component 3 can conduct heat to the plurality of fire extinguishing agent grains 4 after being started, the plurality of fire extinguishing agent grains 4 are started simultaneously, and the fire extinguishing speed is improved.

In a specific implementation process, as shown in fig. 1-3, the upper cover 1 and the lower cover 2 are fastened and then fixedly connected through the press-riveting nut 5, in more detail, a plurality of preset holes matched with the press-riveting nut 5 are formed around the lower cover 2 and the upper cover 1, and the preset holes formed in the lower cover 2 and the upper cover 1 are matched. The upper cover 1 is convenient to install, hanging holes (not shown) can be formed in the upper cover 1, and a pipeline (not shown) for leading a wire to pass through is formed in the outer wall of the lower cover 1.

The side wall of the lower cover 2 is provided with an aerosol spraying nozzle 6 and a seal matched with the nozzle 6, when the fire extinguishing device is quadrilateral, the preset hole is arranged at the middle position close to the side wall, and the nozzle 6 is positioned at the middle position far away from the side wall, so that the formed fire extinguishing aerosol is sprayed to a fire space to extinguish fire.

In order to improve the sealing and heat insulation effects of the fire extinguishing device, according to the illustration in fig. 1, the inner walls of the lower cover 2 and the upper cover 1 are respectively provided with an upper silica gel pad 7 and a lower silica gel pad 8 which are respectively matched with the lower cover, so that the starting component 3 and the fire extinguishing agent grain 4 are respectively positioned between the upper silica gel pad 7 and the lower silica gel pad 8 and are further compressed.

In a specific embodiment, as shown in fig. 1, the activating member 3 includes an activating charge 3a that is tightly fixed to the fire extinguishing agent column 4, and a combustion supporting member 3b that is embedded in the activating charge 3 a. In this embodiment, when the starting member 3 is in a heat-sensitive wire structure, the fire-extinguishing agent column 4 can be automatically started when a fire occurs, and the heat-sensitive wire directly ignites the fire-extinguishing agent column without being matched with an additional fire detection device and other external devices, and when the combustion-supporting member 3b is in an electric ignition head structure, the combustion-supporting member 3b is connected with the fire detection device (the fire detection device is a temperature sensor and/or a smoke sensor). When fire, overheat and other conditions occur, the fire detection device detects the high-temperature environment generated by the fire, and then sends a signal to the microprocessor, and the microprocessor controls the starting component 3 to ignite the fire extinguishing agent grain 4.

In a specific embodiment, according to fig. 2-3, the fire extinguishing agent column 4 is a column structure formed by pressing aerosol generating agent powder. The fire extinguishing device can be square, at the moment, fire extinguishing agent grains 4 can be four, each side of the square is provided with one fire extinguishing agent grain 4, the four fire extinguishing agent grains 4 are not connected with each other, the starting component 3 is positioned in the middle of the four fire extinguishing agent grains 4 and is in a cross-shaped structure with the four fire extinguishing agent grains 4, the starting component 3 is positioned in the middle of the cross so as to connect the four fire extinguishing agent grains 4, heat can be quickly and simultaneously conducted to the four fire extinguishing agent grains 4 after the starting component 3 is started, the four fire extinguishing agent grains 4 are simultaneously started, and generated aerosol is sprayed out from gaps of adjacent fire extinguishing agent grains 4 and finally sprayed out from the nozzle 6, so that the fire extinguishing speed is improved. In this embodiment, the extinguishing agent column 4 may be provided with a thickness of 8mm and a diameter of 64mm in cross section.

In a specific embodiment, according to fig. 2, a coolant 9 is further disposed in the hollow cavity, wherein the coolant 9 is filled in a gap between the edge of the hollow cavity and the fire extinguishing agent grains 4, so that aerosol generated by the reaction after the fire extinguishing agent grains 4 are opened is sprayed out from gaps of the four fire extinguishing agent grains 4, and fully reacts with the coolant 9 to isolate flame in the reaction process of the fire extinguishing agent grains 4, and simultaneously breaks seals at the nozzle 6 to overflow the fire extinguishing device, so that the aerosol floods a protection space, and fire in the space range is extinguished.

The utility model is realized in the following way:

The combustion-supporting piece 3b is opened under the action of the ignition wire to ignite the starting medicine bag 3a, then the fire extinguishing agent grain 4 is started, aerosol generated by reaction is sprayed out from gaps of the four fire extinguishing agent grains 4 and fully reacts with the coolant 9, flame in the reaction process of the fire extinguishing agent grain 4 is isolated, meanwhile, a sealing strip at the nozzle 6 is broken to overflow the fire extinguishing device, the aerosol floods the protection space, fire in the space range is extinguished, the surface temperature of the shell in the direction of the nozzle 6 is less than or equal to 200 ℃ after the fire extinguishing device is started, and the fire spraying phenomenon does not occur in the spraying process of the fire extinguishing device.

The fire extinguishing device is characterized in that the fire extinguishing agent grain 4, the coolant 9, the starting medicine bag 3a and the combustion supporting piece 3b are arranged in a hollow cavity formed by combining the upper cover 1 and the lower cover 2, so that the protected fire extinguishing device is flat in shape, is convenient to install in a narrow space, and is also suitable for starting in complex environments such as high temperature, low temperature and high humidity on the premise of not affecting the fire extinguishing performance.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. The flat aerosol fire extinguishing device with high protection level is characterized by comprising an upper cover (1) and a lower cover (2) which are combined to form a hollow cavity, wherein a starting part (3) and fire extinguishing agent grains (4) are sequentially arranged in the hollow cavity from the center to the periphery;

The fire extinguishing agent grains (4) are provided with a plurality of fire extinguishing agent grains and are arranged at intervals along the circumferential direction of the starting part (3), and the starting part (3) is tightly fixed at the center of the hollow cavity by the plurality of fire extinguishing agent grains (4).

2. A high protection level flat aerosol fire extinguishing device according to claim 1, characterized in that the activation means (3) comprise an activation charge (3 a) which is secured against the extinguishing agent column (4), and combustion-supporting elements (3 b) embedded in the activation charge (3 a).

3. A high protection level flat aerosol fire extinguishing device according to any of claims 1-2, characterized in that a coolant (9) is also provided in the hollow cavity;

Wherein the coolant (9) fills in the gap between the edge of the hollow cavity and the fire extinguishing agent grain (4).

4. A high protection grade flat aerosol fire extinguishing device according to claim 1, characterized in that the extinguishing agent column (4) is a column structure pressed by aerosol generating agent powder.

5. A high protection level flat aerosol fire extinguishing device according to claim 2, characterized in that the combustion supporting member (3 b) is of a heat-sensitive wire structure or an electric ignition head structure.

6. A high protection level flat aerosol fire extinguishing device according to claim 3, characterized in that the inner walls of the lower cover (2) and the upper cover (1) are respectively provided with an upper silica gel pad (7) and a lower silica gel pad (8) which are respectively matched with the inner walls.

7. A high protection level flat aerosol fire extinguishing device according to claim 3, characterized in that the side wall of the lower cover (2) is provided with an aerosol-ejecting spout (6) and a seal adapted to the spout (6).