阅读说明：本技术 一种灭火弹及灭火方法 (Fire extinguishing bomb and fire extinguishing method ) 是由 刘海平 刘德龙 肖强 史涛瑜 申研 邱旭阳 于 2019-10-22 设计创作，主要内容包括：本发明涉及一种灭火弹及灭火方法,属于灭火弹技术领域,解决了现有灭火弹产品安全性差、控制精度低、成本高以及灭火剂剩余率高的问题。该灭火弹包括动力装置、喷洒装置和控制装置,动力装置用于推动灭火弹飞行,控制装置用于控制动力装置的点火以及控制喷洒装置喷洒灭火剂；喷洒装置包括喷洒壳体、内胆和药柱,内胆和药柱设置于喷洒壳体的内部,内胆用于充填灭火剂；喷洒壳体上设有供灭火剂喷出的喷洒孔,喷洒孔构成灭火剂的喷洒通道；药柱被点燃后产生的高温高压气体作用在灭火剂上,使灭火剂能够冲破内胆,从喷洒孔释放到灭火弹外部。本发明的灭火弹在喷洒过程中无杀伤碎片,产品安全性高,显著降低了灭火剂的结块率和剩余率。(The invention relates to a fire extinguishing bomb and a fire extinguishing method, belongs to the technical field of fire extinguishing bombs, and solves the problems of poor product safety, low control precision, high cost and high residual rate of fire extinguishing agents of the conventional fire extinguishing bomb. The fire extinguishing bomb comprises a power device, a spraying device and a control device, wherein the power device is used for pushing the fire extinguishing bomb to fly, and the control device is used for controlling the ignition of the power device and controlling the spraying device to spray fire extinguishing agent; the spraying device comprises a spraying shell, an inner container and a grain, wherein the inner container and the grain are arranged inside the spraying shell, and the inner container is used for filling a fire extinguishing agent; the spraying shell is provided with spraying holes for spraying the fire extinguishing agent, and the spraying holes form a spraying channel of the fire extinguishing agent; high-temperature and high-pressure gas generated after the explosive columns are ignited acts on the fire extinguishing agent, so that the fire extinguishing agent can break through the inner container and is released to the outside of the fire extinguishing bomb from the spraying holes. The fire extinguishing bomb provided by the invention has no killing fragments in the spraying process, the product safety is high, and the caking rate and the residual rate of the fire extinguishing agent are obviously reduced.)

1. A fire extinguishing bomb is characterized by comprising a power device (1), a spraying device (2) and a control device (3), wherein the power device (1) is used for pushing the fire extinguishing bomb to fly, the spraying device (2) is used for spraying fire extinguishing agent (27), and the control device (3) is used for controlling ignition of the power device (1) and controlling the spraying device (2) to spray the fire extinguishing agent (27);

The spraying device (2) comprises a spraying shell (21), an inner container (22) and a grain (24), the grain (24) and the inner container (22) are arranged inside the spraying shell (21), and the inner container (22) is used for filling a fire extinguishing agent (27);

The spraying shell (21) is provided with spraying holes for spraying the fire extinguishing agent (27), and the spraying holes form a spraying channel of the fire extinguishing agent (27);

High-temperature and high-pressure gas generated after the explosive column (24) is ignited acts on the fire extinguishing agent, so that the fire extinguishing agent (27) can break through the inner container (22) and is released to the outside of the fire extinguishing bomb from the spraying holes.

2. The fire extinguishing bomb according to claim 1, wherein the spraying device (2) further comprises a cartridge holder (23), a pressing ring (25) and an adapter section (26), the cartridge holder (23) is arranged at the tail of the spraying shell (21) and is pressed and fixed through the pressing ring (25), and the cartridge (24) is arranged in the cartridge holder (23);

The compression ring (25) is sleeved at the tail of the spraying shell (21) and is in threaded connection with the tail of the spraying shell (21);

One end of the switching section (26) is connected with the pressing ring (25), and the other end of the switching section is connected with the power device (1).

3. Fire extinguishing bomb according to claim 1 or 2, characterised in that the power unit (1) comprises an engine (11) and a cabin (12), the engine (11) being located inside the cabin (12), the cabin (12) being provided with fins (13).

4. the fire extinguishing bomb according to claim 2, characterised in that the adapter section (26) is connected to the clamping ring (25) at one end by means of screws and is screwed to the cabin (12) at the other end.

5. The fire extinguishing bomb according to claim 1, characterised in that the number of spraying holes is multiple and evenly distributed over the spraying shell (21).

6. A fire extinguishing bomb according to claim 3, characterised in that the size of the spray holes is gradually reduced from the tail to the head of the spray shell (21).

7. The fire extinguishing bomb according to claim 3, characterised in that the apertures of the spray holes are the same.

8. The fire extinguishing bomb according to claim 2, characterised in that the connection between the cartridge holder (23) and the pressure ring (25) is coated with a sealing coating.

9. The fire extinguishing bomb according to claim 1, characterised in that the control device (3) is screwed to the adapter section (26) of the sprinkler device (2), the connection lines of the control device (3) extending through the outlet openings of the adapter section (26).

10. A fire extinguishing method based on the fire extinguishing bomb according to claims 1-9, characterized by comprising the steps of:

Firstly, a control device (3) is electrified and started, and whether an ignition time signal is received or not is monitored in real time;

Secondly, when the control device (3) monitors an ignition signal of the power device, the control device (3) outputs an ignition current to the power device (1), and the power device (1) ignites to push the fire extinguishing bomb to fly to a target position;

And thirdly, the fire extinguishing bomb flies to a target position, the control device (3) outputs ignition current to the spraying device (2), and the spraying device (2) sprays fire extinguishing agent.

Technical Field

The invention relates to the technical field of fire extinguishing bombs, in particular to a fire extinguishing bomb and a fire extinguishing method.

Background

long-distance fire suppression under the complicated background, such as the cliff fire among super high-rise building fire, the forest fire etc. is the difficult problem in the fire rescue field always, utilizes the flexible, nimble characteristics of flying platform such as unmanned aerial vehicle or helicopter, closely is close to the fire, can realize the very first time through the mode of launching fire extinguishing bomb and carry out accurate suppression to the condition of a fire, reaches the purpose that the control condition of a fire spreads.

The existing fire extinguishing bomb products at home and abroad at present comprise the following: (1) an airborne fire-fighting fire extinguishing bomb detonates in the fire extinguishing bomb through a central explosive column and an annular explosive bag in the fire extinguishing bomb to release a fire extinguishing agent, the fire extinguishing agent is accompanied with fragments of a bomb body in the release process, the safety is poor, and secondary damage is easily caused to a fire scene, people around the fire scene, buildings and the like; (2) a fire extinguishing bomb based on an aerial throwing mode has poor safety by releasing a fire extinguishing agent in a bomb body through throwing powder explosion, poor control precision and higher cost by detonating the throwing powder through a fuse; (3) a high-efficient safe fire extinguishing bomb of no fragment formula, after inside explosive is lighted, all extinguishing agents are broken the evenly distributed aperture on the casing and are sprayed out under the high temperature high-pressure gas effect, this kind of fire extinguishing bomb has realized that extinguishing agent does not have the killer piece in the spraying process, but the explosive contacts with extinguishing agent, and the high temperature gas that produces in the combustion process makes extinguishing agent caking easily, leads to the surplus rate higher.

In summary, the existing fire extinguishing bomb products have the problems of poor safety, high cost, high agglomeration rate and high residual rate of the fire extinguishing agent, and an efficient fire extinguishing bomb with high safety, low cost, low agglomeration rate of the fire extinguishing agent and high residual rate is urgently needed to be provided.

disclosure of Invention

in view of the above analysis, the present invention aims to provide a fire extinguishing bomb and a fire extinguishing method, which are used to solve the problems of poor safety, low control precision, high cost and high residual rate of fire extinguishing agent of the existing fire extinguishing bomb products.

the purpose of the invention is mainly realized by the following technical scheme:

on one hand, the fire extinguishing bomb comprises a power device, a spraying device and a control device, wherein the power device is used for pushing the fire extinguishing bomb to fly, the spraying device is used for spraying fire extinguishing agent, and the control device is used for controlling the ignition of the power device and controlling the spraying device to spray the fire extinguishing agent; the spraying device is used for spraying fire extinguishing agent and comprises a spraying shell, an inner container and a grain, wherein the inner container and the grain are arranged inside the spraying shell, and the inner container is used for filling the fire extinguishing agent; the spraying shell is provided with spraying holes for spraying the fire extinguishing agent, and the spraying holes form a spraying channel of the fire extinguishing agent; high-temperature and high-pressure gas generated after the explosive columns are ignited acts on the fire extinguishing agent, so that the fire extinguishing agent can break through the inner container and is released to the outside of the fire extinguishing bomb from the spraying holes.

Furthermore, the spraying device also comprises a medicine support, a pressure ring and a switching section, wherein the medicine support is arranged at the tail part of the spraying shell and is compressed and fixed through the pressure ring, and the medicine column is arranged in the medicine support; the compression ring is sleeved at the tail part of the spraying shell and is in threaded connection with the tail part of the spraying shell; one end of the switching section is connected with the pressure ring, and the other end of the switching section is connected with the power device.

Further, the power device comprises an engine and a cabin body, wherein the engine is arranged inside the cabin body, and the cabin body is provided with wings.

Furthermore, one end of the switching section is connected with the pressure ring through a screw, and the other end of the switching section is in threaded connection with the cabin body.

furthermore, the number of spraying holes is a plurality of, and evenly distributed on spraying the casing.

furthermore, the aperture of the spraying hole is gradually reduced from the tail part to the head part of the spraying shell.

Further, the aperture of the spray holes is the same.

Further, the joint of the medicine support and the pressure ring is coated with a sealing coating.

furthermore, the control device is fixed on the switching section of the spraying device through screws, and a connecting wire of the control device extends out of a wire outlet hole of the switching section.

Further, the axis of the spraying channel close to the tail part of the spraying shell is inclined towards the tail part; a spray passage adjacent the head of the spray housing, the axis of which is inclined towards the head; the axis of the spraying channel in the middle of the spraying shell is vertical to the axis of the spraying shell.

In another aspect, a fire extinguishing method based on the fire extinguishing bomb comprises the following steps:

Firstly, a control device is electrified and started, and whether an ignition time signal is received or not is monitored in real time;

Secondly, when the control device monitors an ignition signal of the power device, the control device outputs an ignition current to the power device, and the power device ignites to push the fire extinguishing bomb to fly to a target position;

And thirdly, the fire extinguishing bomb flies to a target position, the control device outputs ignition current to the spraying device, and the spraying device sprays fire extinguishing agent.

Compared with the prior art, the invention has at least one of the following beneficial effects:

a) The fire extinguishing bomb provided by the invention adopts the inner container to contain the fire extinguishing agent, the fire extinguishing agent breaks through the inner container and is released from the spraying holes of the spraying shell under the action of high-temperature and high-pressure gas, no killing fragments are generated in the spraying process, and the safety of the product is improved.

b) According to the fire extinguishing bomb provided by the invention, the explosive columns are arranged on one side of the fire extinguishing agent, and are separated from the fire extinguishing agent through the explosive support, so that the contact area between high-temperature gas and the fire extinguishing agent is greatly reduced, the defect that the fire extinguishing agent has high caking rate and residual rate due to the fact that the explosive columns of the traditional fire extinguishing bomb are coated by the fire extinguishing agent is overcome, the caking rate of the fire extinguishing agent of the fire extinguishing bomb is less than 1%, the residual rate of the fire extinguishing agent of the fire extinguishing bomb is less than 5%, the caking rate of the fire extinguishing agent of the traditional fire extinguishing bomb is 1/10%, and the residual rate of the fire extinguishing agent of the traditional fire extinguishing bomb is 1/10-1/20%, the safe.

c) The fire extinguishing bomb provided by the invention has the advantages that the spraying channel arranged on the spraying shell is arranged in a divergent mode, namely the axis of the spraying channel close to the tail part of the spraying shell inclines towards the tail part; a spray passage adjacent the head of the spray housing, the axis of which is inclined towards the head; the axis that sprays the casing middle part and spray the passageway is perpendicular with the axis that sprays the casing, sprays the passageway so and sets up and can realize that the fire extinguishing agent is all-round to be sprayed, eliminates the blind area of putting out a fire, and the range of spraying of the perpendicular fire extinguishing bomb that sets up of passageway enlarges one time, has promoted fire control effect.

d) according to the fire extinguishing method provided by the invention, the fire extinguishing bomb is carried on the unmanned aerial vehicle, the unmanned aerial vehicle sends an ignition time signal and a power supply signal of the fire extinguishing bomb to the control device of the fire extinguishing bomb, the control device controls the power device to push the fire extinguishing bomb to fly to a target position, and controls the spraying device to spray the fire extinguishing agent at the target ignition point position to extinguish the fire. The fire extinguishing method controls the spraying of the fire extinguishing bomb through the control device, and the spraying time parameters are bound according to the emission distance before the fire extinguishing bomb is emitted, so that the spraying time of the fire extinguishing agent can be accurately controlled, the control precision is higher, and the cost is low.

In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout.

FIG. 1 is a diagram of a fire extinguishing bomb in an embodiment of the invention;

FIG. 2 is a diagram of a fire extinguishing bomb according to an embodiment of the present invention;

Fig. 3 shows the working process of the fire extinguishing bomb in the embodiment of the invention.

Reference numerals:

1-a power plant; 11-an engine; 12-a cabin body; 13-a fin; 2-a spraying device; 21-spraying the shell; 22-inner container; 23-medicated pad; 24-grains; 25-a pressure ring; 26-a switching section; 27-a fire extinguishing agent; 3-control device.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.